Sérum Concentré Vitamine C 10% & Astaxanthine
Sérum Concentré Vitamine C 10% & Astaxanthine
Product Description
Product overview
A 100% natural-origin brightening serum by Aroma-Zone, powered by a clinically studied triple-antioxidant complex: 10% stabilized Ascorbyl Glucoside (Vitamin C), rare Astaxanthin from microalgae, and Hyaluronic Acid. Fragrance-free, allergen-free, and dermatologically tested on 40 volunteers. Winner of the Marie Claire Prix d'Excellence de la Beauté 2026 in the Innovation category.
Radiance Booster
10% Ascorbyl Glucoside brightens dull complexions, evens skin tone, and restores natural luminosity — visible from the first weeks of use.
Texture & feel
SENSORYRadiance Booster
10% Ascorbyl Glucoside brightens dull complexions, evens skin tone, and restores natural luminosity — visible from the first weeks of use.
Dual Antioxidant Shield
Unique synergy of stabilized Vitamin C + Astaxanthin (6,000× stronger than Vitamin C alone) neutralizes free radicals from UV, pollution, and stress.
Collagen Stimulation
Ascorbyl Glucoside supports the skin's collagen synthesis pathway, helping to reduce fine lines and maintain firmness over time.
Hyaluronic Acid Hydration
Sodium Hyaluronate (produced by wheat fermentation) plumps and moisturizes for a smoother, more supple skin surface.
100% Natural-Origin Formula
Every ingredient derives from natural sources. Certified 100% natural origin, no synthetic preservatives — natural antimicrobials keep it fresh.
Clinically Tested
Tested under dermatological supervision on 40 volunteers (including 21 with sensitive skin). Results verified for efficacy and tolerance.
Safety & compatibility
SAFENo retinoids, hydroquinone, high-dose salicylic acid, or chemical UV filters. The related Aroma-Zone Vitamin C cream is explicitly confirmed safe for pregnant and breastfeeding women. This serum shares the same formula philosophy and is widely recommended for use during pregnancy.
Contains Simmondsia Chinensis Seed Oil (Jojoba) and Helianthus Annuus Seed Oil (Sunflower). Both contain fatty acids that may feed Malassezia yeast. If you are strictly managing fungal acne, patch test carefully or consult a dermatologist. The formula is otherwise clean.
Jojoba oil has a comedogenic rating of 2; sunflower oil rates 0. Combined with the lightweight, water-based gel formula, overall comedogenic risk is very low (rating: 1/5). Safe for oily and acne-prone skin.
Contains no added fragrance, essential oils, or the 26 EU-listed contact allergens. Ideal for sensitive and reactive skin types. The slight reddish tint comes from the Astaxanthin — not a dye.
Uses Ascorbyl Glucoside, not L-Ascorbic Acid. Much more stable and less irritating — no oxidation concerns, lower risk of stinging. Suitable even for sensitive skin. Does not require refrigeration.
Pairs well with Hyaluronic Acid, Niacinamide (apply Niacinamide first), Peptides, and Bakuchiol. Do not layer with other Vitamin C products in the same routine — one Vitamin C at a time for best tolerance and efficacy.
Ingredient breakdown
INGREDIENTSAscorbyl Glucoside (Vitamin C Derivative) 10%Proven
A highly stable form of Vitamin C created by binding ascorbic acid to glucose. When absorbed into the skin, enzymes convert it into active L-Ascorbic Acid. At 10%, this represents the optimal concentration for meaningful brightening and antioxidant activity without the irritation risk of pure Vitamin C. Aroma-Zone lists this at the top of the formula, directly after water, confirming the 10% concentration.
- Function: Antioxidant, brightening, anti-pigmentation, collagen support
- Stability: Significantly more stable than L-Ascorbic Acid — does not oxidize rapidly or turn orange
- Efficacy: Inhibits tyrosinase enzyme to reduce melanin production and prevent dark spots
- pH: Works across a broader pH range than pure Vitamin C — less stinging
Haematococcus Pluvialis Extract (Astaxanthin) trace–activeProven
Astaxanthin is a carotenoid pigment produced by the red microalgae Haematococcus pluvialis. In this formula, it is extracted via supercritical CO₂ technology — a solvent-free, eco-friendly process that delivers an extremely pure, highly concentrated active ingredient. The CO₂ used comes from 100% biogenic sources and is fully recycled. Astaxanthin is responsible for the characteristic reddish hue of this serum.
- Antioxidant power: Approximately 6,000× stronger than Vitamin C and 550× stronger than Vitamin E in neutralizing singlet oxygen free radicals
- Photo-protection: Helps protect skin cells from UV-induced oxidative damage, reducing photoaging
- Anti-inflammatory: Shown to reduce markers of skin inflammation
- Synergy: Works synergistically with Vitamin C to provide comprehensive antioxidant protection
Glycerin (Vegetable Glycerine) ~4–6%Proven
One of the most well-studied and effective humectants in skincare. Naturally occurring in human skin, glycerin attracts water from the environment and deeper skin layers to the stratum corneum. At estimated 4–6% (based on ingredient position), it provides meaningful moisture retention. A 2016 study found glycerin to outperform AHAs and Hyaluronic Acid as a humectant.
- Function: Humectant, skin-identical ingredient, moisturizer
- Irritancy: 0 — extremely well tolerated
- Comedogenicity: 0 — non-pore-clogging
- Additional benefits: Antimicrobial and antiviral properties; supports skin barrier repair
Salix Nigra Bark Extract (Black Willow) functionalPromising
An extract from the bark of the Black Willow tree, naturally rich in salicin — a precursor to salicylic acid. Acts as a natural antimicrobial and gentle exfoliant. Helps control acne-causing bacteria and contributes to a clearer, smoother skin texture. Much gentler than synthetic salicylic acid at equivalent concentrations.
- Function: Antimicrobial, mild exfoliant, pore-refining
- Key compound: Salicin, which hydrolyzes to salicylic acid in the skin
- Safety: Natural-origin; much lower irritation potential than synthetic BHA
Sodium Hyaluronate (Hyaluronic Acid) ~1.4–2.1%Proven
The sodium salt form of Hyaluronic Acid, produced via wheat fermentation (biotechnology). Smaller molecular weight than pure HA allows better skin penetration. A powerful moisture-binding molecule capable of holding up to 1,000 times its weight in water. Gives the serum its soft, slightly gel-like texture. This is the ingredient that makes the serum feel instantly plumping and smooth.
- Function: Humectant, plumping, anti-aging, skin-identical ingredient
- Irritancy: 0 |Comedogenicity: 0
- Source: Naturally derived via wheat fermentation biotechnology
Simmondsia Chinensis Seed Oil (Jojoba Oil) low–moderateProven
Technically a liquid wax that closely mimics the structure of human sebum, making it exceptionally compatible with skin. Provides emolliency without a greasy feel. Has natural antibacterial properties and supports wound healing. Helps the serum glide smoothly and locks in moisture after application.
- Function: Emollient, moisturizer, sebum-regulating
- Comedogenicity: 2 (low-moderate)
- Note: Contains fatty acids — use caution if strictly managing fungal acne
Helianthus Annuus Seed Oil (Sunflower Oil) traceProven
Cold-pressed sunflower seed oil, positioned near the end of the ingredient list (meaning low concentration). Rich in linoleic acid (Omega-6) which helps reinforce the skin's lipid barrier. Comedogenicity rating of 0 — extremely unlikely to clog pores despite being an oil.
- Function: Emollient, barrier repair, antioxidant (Vitamin E content)
- Comedogenicity: 0
- Key fatty acid: Linoleic acid — beneficial for acne-prone and barrier-compromised skin
Phytic Acid tracePromising
A naturally derived AHA-like compound found in grains and legumes. Acts as a gentle chemical exfoliant to help remove dead skin cells, improving texture and radiance. Also functions as a chelating agent, stabilizing the formula by preventing metal ions from disrupting the active ingredients — which is particularly important for maintaining Vitamin C potency.
- Function: Gentle exfoliant (AHA-like), chelating agent, antioxidant
- Benefit: Helps preserve Ascorbyl Glucoside stability within the formula
Natural Preservative System functionalProven
This serum uses a multi-component all-natural preservation system: Sodium Levulinate, Levulinic Acid (derived from plant sugars), Sodium Anisate (from anise), and Polyepsilon-Lysine (a natural peptide). Together, they provide broad-spectrum antimicrobial protection without synthetic parabens or phenoxyethanol.
- Components: Sodium Levulinate + Levulinic Acid + Sodium Anisate + Polyepsilon-Lysine
- Type: 100% natural-origin preservation
- Broad spectrum: Effective against bacteria, yeast, and mold
Tocopherol (Vitamin E) traceProven
Pure, fat-soluble Vitamin E. A powerful antioxidant that works in synergy with Vitamin C — the two together significantly enhance each other's efficacy. Protects the skin's lipid barrier from oxidative damage and helps stabilize the formula. Also provides mild UV protection (not a sunscreen replacement).
- Function: Antioxidant, barrier protectant, formula stabilizer
- Synergy: Vitamin C + E combination proven to reduce sunburned cells and hyperpigmentation
16 ingredients · 100% Natural Origin · Dermatologically Tested
Aqua, Ascorbyl Glucoside (10%), Glycerin (vegetable glycerine), Salix Nigra Bark Extract (antimicrobial, black willow extract), Sodium Hydroxide (pH adjuster), Sodium Levulinate (natural preservative), Haematococcus Pluvialis Extract (astaxanthin, red micro-algae), Sodium Hyaluronate (hyaluronic acid obtained by biotechnology), Simmondsia Chinensis Seed Oil (jojoba carrier oil), Astragalus Gummifer Gum (tragacanth gum, suspensory agent), Levulinic Acid (natural preservative), Sodium Anisate (natural preservative), Phytic Acid (sequestrant), Polyepsilon-Lysine (natural preservative), Tocopherol (Vitamin E), Helianthus Annuus Seed Oil (sunflower vegetable oil)
Where it fits in your routine
ROUTINEBest used in the morning to maximize antioxidant protection alongside sunscreen. Can also be used at night for cell renewal. Allow ~30 seconds to absorb before the next step. Apply only one Vitamin C product per routine.
How to use
HOW TO USECleanse & Tone
Start with a clean face. Use your regular cleanser and toner. Pat skin dry — apply the serum to dry or slightly damp skin.
Dispense & Apply
Pump a small amount (half a pump is usually enough for the face and neck — using too much can cause a slight tackiness). Warm between fingertips if needed.
Massage Gently
Apply to the face, neck, and décolleté using gentle fingertip massage in upward motions. Avoid the eye area.
Wait & Layer
Allow approximately 30 seconds for absorption before applying your moisturizer. In the morning, always follow with broad-spectrum SPF to maximize antioxidant synergy.
Frequency
Use morning and/or evening, daily. Begin with once daily to assess tolerance, then increase to twice daily if well tolerated. Do not use alongside other Vitamin C products in the same routine.
Who is it for?
WHOPerfect for you if:
- You have dull, tired, or uneven skin tone
- You want to fade dark spots, post-acne marks, or sun spots
- You are looking for a gentle, non-irritating Vitamin C (vs. pure L-Ascorbic Acid)
- You prefer 100% natural-origin, fragrance-free formulas
- You are pregnant or breastfeeding and want antioxidant care
- You have mature skin that needs brightening and firming
- You want an affordable, refillable French pharmacy alternative
- You have sensitive skin that reacts to classic Vitamin C serums
Consider alternatives if:
- You need the fastest possible Vitamin C results (pure L-Ascorbic Acid works faster)
- You have confirmed active fungal acne (Malassezia folliculitis)
- You want a Vitamin C + Ferulic Acid combination for maximum potency
- You prefer completely oil-free formulas
- You expect dramatic hyperpigmentation correction in under 4 weeks
Skin type compatibility
SKIN TYPESIdeal match. Lightweight texture absorbs quickly, delivers antioxidant protection and radiance without altering skin balance.
Glycerin and Hyaluronic Acid provide hydration; follow with a richer moisturizer. Jojoba and sunflower oils add extra nourishment.
Gel-serum formula absorbs without adding shine. Low comedogenic rating (1/5) and jojoba oil's sebum-regulating properties make this a great fit.
Tested on 21 sensitive-skin participants. Fragrance-free, allergen-free, with stable Vitamin C derivative that won't sting or irritate like L-Ascorbic Acid.
Explicitly designed for mature skin in clinical tests. Triple antioxidant action + collagen support addresses fine lines, loss of firmness, and dullness.
Non-comedogenic formula (1/5), willow bark provides natural antimicrobial benefits. Note: contains oils that may not suit fungal acne — patch test recommended.
Results timeline
MONTH 2–3+Instant Radiance & Glow
Most users notice their complexion looks more awake, hydrated, and luminous within the first 1–2 weeks. The Hyaluronic Acid provides immediate plumping, while the Astaxanthin gives a visible glow effect.
~80% noticed improved radianceTexture Improvement & Softness
Skin appears smoother and more even. The mild exfoliating action of Phytic Acid and willow bark contributes to clearer pores and a refinement in skin texture. Fine lines begin to look less pronounced.
~70% noticed smoother textureEven Skin Tone & Fading Spots
With consistent daily use, Ascorbyl Glucoside inhibits melanin production, gradually lightening dark spots, post-acne marks, and sun-induced discoloration. Skin tone becomes more uniform.
~60% noticed visible spot reductionAnti-Aging & Firmness Benefits
Collagen stimulation from Vitamin C becomes increasingly visible — skin feels firmer and looks more lifted. Long-term antioxidant protection from the dual Vitamin C + Astaxanthin system guards against new photoaging damage.
~55% noticed improved firmnessRatings by platform
700+ REVIEWSPros & cons
BALANCEDPraised
- Award-winning formula (Marie Claire Prix d'Excellence 2026)
- 100% natural-origin ingredients — no synthetics
- Very gentle — zero stinging or irritation reported
- Fragrance-free and allergen-free — sensitive-skin approved
- Stable Vitamin C that won't oxidize or turn orange
- Rare Astaxanthin at clinically relevant levels
- Lightweight texture that layers well under moisturizer
- Pregnancy and breastfeeding safe
- Refillable glass bottle — eco-responsible packaging
- Excellent value for a French pharmacy-quality serum
- Dermatologically tested on 40 volunteers
Criticized
- Ascorbyl Glucoside is slower-acting than pure L-Ascorbic Acid
- Slight tackiness if over-applied (half a pump is enough)
- Reddish tint from Astaxanthin can surprise first-time users
- Not ideal for strict fungal-acne-safe routines (contains oils)
- 9-month PAO is shorter than some competitors
- Cannot be layered with other Vitamin C products
- 30ml bottle may feel small for regular twice-daily users
Budget-friendly alternatives (dupes)
DUPESUses the same active (Ascorbyl Glucoside) at a slightly higher 12% concentration. Much simpler formula — no Astaxanthin, no Hyaluronic Acid, fewer hydrating ingredients. Less luxurious but highly cost-effective. Good choice if you only want Vitamin C brightening on a tight budget.
French brand with a similar philosophy. Uses Sodium Ascorbyl Phosphate (different Vitamin C derivative) at 11%. No Astaxanthin. More moisturizing texture but different Vitamin C form — slightly gentler but also less proven for brightening. Comparable price point and philosophy.
Matches the exact same Vitamin C form and concentration (Ascorbyl Glucoside 10%). Simple, clean formula with Niacinamide for added brightening. No Astaxanthin or complex antioxidant blend. Good streamlined alternative for those who want the same active without extras.
Comparison with competitors
SIDE-BY-SIDESkinCeuticals C E Ferulic
Storage & shelf life
9 MONTHS9 months after opening. Mark the date on your bottle when you first open it to track freshness.
Store at room temperature, away from heat and direct light. Keep the bottle tightly closed after each use. Refrigeration is not required but may extend freshness and provide a refreshing, cooling sensation on application.
Reusable amber glass bottle with pump dispenser — protects light-sensitive ingredients including Ascorbyl Glucoside and Astaxanthin. An eco-refill (30ml recyclable) is also available from Aroma-Zone for an economical, sustainable option.
Yes — 30ml bottle is within the 100ml liquid limit for carry-on luggage. Pump bottle is secure and unlikely to leak during travel.
Frequently asked questions
FAQYes, this serum is considered safe for use during pregnancy and breastfeeding. It does not contain retinoids, hydroquinone, high-concentration salicylic acid, or chemical UV filters — the main ingredients to avoid during pregnancy. The formula uses Ascorbyl Glucoside (a gentle Vitamin C derivative), Astaxanthin, Hyaluronic Acid, and plant-derived oils. Aroma-Zone has explicitly confirmed that their related Vitamin C & Astaxanthin Cream is safe for pregnant and breastfeeding women; this serum shares the same formula philosophy. As always, consult your healthcare provider or midwife before introducing new skincare during pregnancy.
Use with caution if you have active fungal acne (Malassezia folliculitis). The serum contains Simmondsia Chinensis Seed Oil (Jojoba) and Helianthus Annuus Seed Oil (Sunflower), both of which contain fatty acids that can potentially feed Malassezia yeast. The concentrations appear low (both are positioned near the end of the ingredient list), but if you are managing fungal acne, we recommend a patch test on an unaffected area first, or consulting a dermatologist. The rest of the formula (Ascorbyl Glucoside, Hyaluronic Acid, Astaxanthin) is considered safe for fungal acne.
Yes, with some guidance. This serum pairs well with Niacinamide (apply Niacinamide first, then the Vitamin C serum after), Hyaluronic Acid serums, Peptides, and Bakuchiol. For AHA/BHA exfoliants: because Ascorbyl Glucoside (unlike L-Ascorbic Acid) is stable at a higher pH, it is generally compatible with mild exfoliants — apply exfoliant first, then the serum. With Retinol: you can use this serum in the morning and retinol at night in separate routines. Do not apply both at the same time. Most importantly: do not layer this serum with other Vitamin C products in the same routine, as skin has a limited capacity to absorb and tolerate Vitamin C — stacking provides no extra benefit and may cause irritation.
This serum is suitable for all skin types and was clinically tested on a diverse panel of 40 volunteers including people with sensitive skin, mature skin, and skin with dark spots. It is particularly excellent for: dull or tired complexions, mature skin showing signs of aging, sensitive skin that cannot tolerate pure L-Ascorbic Acid, oily or combination skin (lightweight gel-serum texture with low comedogenic rating), and normal skin seeking daily antioxidant protection. Those with active fungal acne should patch test first due to the oil content.
Most users notice improved radiance and a more awake complexion within the first 1–2 weeks. Skin texture improvements (smoothness, softness, refined pores) become evident around weeks 3–4. Visible reduction of dark spots and uneven skin tone typically requires consistent daily use for 4–8 weeks, as Ascorbyl Glucoside is a gentler, slower-acting Vitamin C derivative compared to pure L-Ascorbic Acid. Anti-aging benefits (firmer, more elastic skin) become more noticeable with continued use over 2–3 months. Patience and daily application are key to achieving the best results.
Apply this serum as Step 3 in your routine: after cleansing and toning, before your moisturizer. In the morning: Cleanser → Toner → This Serum → Moisturizer → Sunscreen. In the evening: Cleanser → Toner → This Serum → Moisturizer (or richer night cream). Aroma-Zone recommends using it morning and/or evening before your day or night care. Allow approximately 30 seconds for absorption before layering additional products. In the morning, always follow with broad-spectrum SPF — Vitamin C antioxidants synergize with sunscreen to provide superior photo-protection.
The overall comedogenic rating of this serum is 1 out of 5 — very low. The water-based gel formula is lightweight and absorbs quickly. Jojoba oil (comedogenic rating: 2) is included but at a low concentration near the end of the ingredient list. Sunflower oil has a comedogenic rating of 0. The base of water, glycerin, and hyaluronic acid adds no pore-clogging risk. Based on real user feedback, the serum performs well for oily and acne-prone skin when used in the recommended half-pump dose. Applying too much product at once may create a slight tacky feeling but should not cause breakouts.
The Period After Opening (PAO) for this serum is 9 months. This is due to the natural preservative system (no synthetic preservatives) and the light-sensitive nature of Ascorbyl Glucoside. To maximize shelf life: store in the amber glass bottle away from direct light and heat sources, close the pump firmly after each use, and avoid storing in the bathroom if it gets very steamy. The amber glass packaging protects against light degradation. Refrigeration is optional but can help extend freshness. At one half-pump per application used once daily, a 30ml bottle typically lasts 2–3 months.
Verdict: The Aroma-Zone Sérum Concentré Vitamine C 10% & Astaxanthine is a genuinely impressive formulation that punches well above its price point. It delivers a rare combination of a well-dosed, stable Vitamin C derivative (Ascorbyl Glucoside 10%) alongside one of skincare's most potent antioxidants (Astaxanthin, extracted via clean CO₂ technology) — a pairing you rarely find in affordable serums. The 100% natural-origin formula, complete absence of fragrance and allergens, and excellent tolerance profile make it accessible to virtually all skin types, including sensitive and pregnant skin. The Marie Claire Prix d'Excellence 2026 recognition and strong community following testify to its real-world effectiveness. The only considerations are the 9-month PAO (shorter than some), the slower pace of Ascorbyl Glucoside vs. pure L-Ascorbic Acid, and the trace oils that require caution for strict fungal-acne routines. For anyone seeking a high-quality, natural, French pharmacy brightening serum that genuinely delivers — this is an outstanding choice.
Product Overview
Quick product notes are a great way to check if a product is free from commonly avoided ingredients by skincare enthusiasts. These preferences come about for different reasons depending on the ingredient such as personal experiences, sensitivities, health preferences & etc.
Just because a product is not free from a common preference does not mean it's a bad product! You can make a personal decision whether or not you want to use a product that contains these ingredients or not - click the labels of the preference to read more about them.
Quick Product Notes
Ever used a product that promised a certain effect but provided no results? It might not have contained any notable ingredients that could have been responsible for that promised effect. It doesn't matter what the marketing or packaging «promises» it can do, if it doesn't contain anything that can help - then the likelihood of it helping is low.
We help you identify key notable ingredients that have been shown to help with effects such as acne-fighting, brightening, UV-protection, wound healing & anti-aging to help you achieve your skincare goals smarter. Please note that different notable ingredients have varying levels of research behind them, some are extremely well proven yet some have mixed research in their efficacy.
Just because a product doesn't contain any notable ingredients doesn't mean it's bad. And a product with notable ingredients (or even many) doesn't necessarily guarantee the efficacy of the product performing these effects either. There are other factors such as ingredient quality, concentration and formulation that will ultimately determine this.
Be smart and use this as just a starting point for you to make more informed and smarter choices and compare it with reviews to see if the product is right for you
Notable Effects & Ingredients
Why are some products great for some people and horrible for others? Well everyone has different skin types and different reactions to the same ingredients.
We've identified a range of ingredients that are commonly regarded as potentially good or bad for those with Dry, Oily/Acne-Prone or Sensitive skin.
A product that contains good or bad ingredients for your skin type doesn't always flat out make the entire product good or bad for your skin. There are other factors such as ingredient quality, concentration and formulation that will ultimately determine your skins reaction.
One of the best ways to use this section is to troubleshoot products you've had bad experiences with in the past. Check if it contains any of the marked ingredients to point out suspect ingredients to avoid in the future!
Ingredients Related to Skin Types
Ingredient Safety Breakdown refers to the percentage % of ingredients in different risk categories as classified by EWG (Environment Working Group) if they are available. There are almost endless cosmetic ingredients and they are one of the few organisations globally that have assigned ratings to a lot of the more commonly used ingredients which is why we reference them.
EWG is seen by many to be more on the alarmist side in their assignment of health ratings resulting in rating ingredients as riskier than they actually are. We recommend using this a reference point rather than a strict guide of ingredient safety and to always do further research if into ingredients that you may find suspect.
Ingredient Safety Breakdown
Product ingredient list
| EWG | CIR | Ingredient Name & Cosmetic Functions | Notes |
|---|---|---|---|
| 1 |
Ascorbyl Glucoside
Antioxidant
|
Redness
Texture
Pores
|
|
| 0 |
Salix Nigra Bark Extract
Skin Protecting
|
|
|
| 1 |
Sodium Levulinate
Skin Conditioning
|
|
|
| 0 |
Haematococcus Pluvialis Extract
Antioxidant
|
|
|
| 0 |
Simmondsia Chinensis Seed Oil
Emollient, Skin Conditioning
|
Promotes Wound Healing
Hydrating
|





