Vitamin C Boosting Serum
Vitamin C Boosting Serum
Product Description
Product overview
A powerful brightening serum formulated with 63% Sea Buckthorn Water, 5% Niacinamide, and 2% Tranexamic Acid to target dark spots, hyperpigmentation, and uneven skin tone. This renewed K-beauty bestseller delivers visible results without the irritation typically associated with Vitamin C serums.
63% Sea Buckthorn Water
Contains 3.2x more Vitamin C than lemons. Naturally brightens without the irritation of pure ascorbic acid.
Texture & feel
SENSORY63% Sea Buckthorn Water
Contains 3.2x more Vitamin C than lemons. Naturally brightens without the irritation of pure ascorbic acid.
Triple Brightening Complex
Niacinamide, Tranexamic Acid, and Alpha-Arbutin work synergistically to fade dark spots and even skin tone.
8 Types of Hyaluronic Acid
Multi-weight HA molecules provide deep hydration at every skin level without stickiness.
Barrier Support
Ceramide NP and Centella Asiatica strengthen and protect the skin barrier while brightening.
Safety & compatibility
SAFEContains Tranexamic Acid and Alpha-Arbutin. Topical use is generally considered safe, but consult your healthcare provider before use during pregnancy or breastfeeding.
Formula is free from fatty acids, oils, and problematic ferments that feed Malassezia yeast. Bifida Ferment Lysate is considered safe.
Lightweight, oil-free formula rated 1/5 on comedogenic scale. Suitable for acne-prone skin.
Formulated with EWG Green Grade ingredients. No artificial fragrances, colors, or parabens. Patch test recommended.
Active brightening ingredients may increase sun sensitivity. Always use SPF 30+ sunscreen during the day.
Compatible with most skincare actives. Can be used with retinol (alternate nights recommended), AHAs, BHAs, and other serums.
Ingredient breakdown
INGREDIENTSHippophae Rhamnoides Water 63%Proven
Sea Buckthorn water is the star ingredient, packed with natural Vitamin C (3.2x more than lemons), Vitamin E, and antioxidants. Provides brightening benefits without the instability and irritation of pure ascorbic acid.
- Function: Antioxidant, brightening, anti-aging
- Research: Rich in omega fatty acids and over 190 bioactive compounds
Niacinamide 5%Proven
Vitamin B3 is a powerhouse ingredient that inhibits melanin transfer, strengthens skin barrier, regulates sebum, and reduces inflammation. The gold standard for brightening sensitive skin.
- Function: Brightening, pore-minimizing, barrier repair
- Research: 4-5% concentration shown effective for hyperpigmentation in clinical studies
Tranexamic Acid 2%Proven
A synthetic amino acid derivative that targets stubborn hyperpigmentation by blocking the plasmin pathway that triggers melanin production. Especially effective for melasma and post-inflammatory hyperpigmentation.
- Function: Dark spot correction, melasma treatment
- Research: Clinical studies show 2-5% effective for hyperpigmentation; up to 75% improvement in melasma within 8-12 weeks
Alpha-Arbutin <1%Proven
A biosynthetic brightening agent that inhibits tyrosinase enzyme to reduce melanin production. Safer and more stable than hydroquinone with similar brightening effects.
- Function: Tyrosinase inhibitor, brightening
- Research: Effective at preventing and fading hyperpigmentation without irritation
3-O-Ethyl Ascorbic Acid <1%Promising
A stable Vitamin C derivative that penetrates skin effectively. Provides antioxidant protection and supports collagen synthesis without the instability issues of pure Vitamin C.
- Function: Antioxidant, collagen support, brightening
- Research: More stable than L-ascorbic acid, converts to active Vitamin C in skin
Centella Asiatica HighProven
Both Centella Asiatica Leaf Water and Extract provide soothing, anti-inflammatory benefits. Contains madecassoside and asiaticoside to calm irritation and support skin healing.
- Function: Soothing, anti-inflammatory, wound healing
- Research: Proven to reduce redness and support skin barrier repair
43 ingredients
Hippophae Rhamnoides Water, Centella Asiatica Leaf Water, Niacinamide, Butylene Glycol, 1,2-Hexanediol, Dipropylene Glycol, Water, Methyl Gluceth-20, Methylpropanediol, Betaine, Tranexamic Acid, Glycerin, Pentylene Glycol, Propanediol, Hydroxyethyl Urea, Laminaria Japonica Extract, Eclipta Prostrata Leaf Extract, Ficus Carica (Fig) Fruit Extract, Centella Asiatica Extract, Hydrogenated Lecithin, Sodium Hyaluronate, Carbomer, 3-O-Ethyl Ascorbic Acid, C12-14 Pareth-12, Ammonium Acryloyldimethyltaurate/VP Copolymer, Xanthan Gum, Tromethamine, Panthenol, Ethylhexylglycerin, Adenosine, Disodium EDTA, Fructooligosaccharides, Beta-Glucan, Ascorbic Acid, Hydrolyzed Hyaluronic Acid, Ceramide NP, Alpha-Arbutin, Tocopherol, Bifida Ferment Lysate, Bisabolol, Ubiquinone, Hydroxydecyl Ubiquinone, Sodium Acetylated Hyaluronate
Where it fits in your routine
ROUTINEApply after toner on damp skin. Wait 30 seconds before layering next product. Always follow with SPF 30+ in the morning.
How to use
HOW TO USECleanse & Tone
Start with clean skin. Apply your toner to prep and hydrate while skin is still slightly damp.
Apply Serum
Dispense 2-3 drops onto fingertips. Apply evenly across face, avoiding eye area. Can also target dark spots directly.
Pat & Absorb
Gently pat and press serum into skin for better absorption. Wait 30 seconds before next step.
Moisturize & Protect
Follow with moisturizer. In the morning, always finish with SPF 30+ sunscreen to protect against UV-induced pigmentation.
Who is it for?
WHOPerfect for you if:
- You have dark spots, hyperpigmentation, or melasma
- You want to brighten dull, uneven skin tone
- You find pure Vitamin C serums too irritating
- You have sensitive or acne-prone skin
- You want a lightweight, non-sticky formula
- You prefer fragrance-free, vegan products
- You have fungal acne and need safe brightening
Consider alternatives if:
- You need immediate dramatic results (takes 4-8 weeks)
- You want a high-concentration pure L-ascorbic acid serum
- You are pregnant/breastfeeding (consult doctor first)
- You have very dry skin that needs heavier hydration
- You prefer scented products (this is fragrance-free)
Skin type compatibility
SKIN TYPESLightweight, fast-absorbing gel texture. Niacinamide helps control sebum. Won't add shine or clog pores.
8 types of hyaluronic acid provide hydration, but follow with a rich moisturizer for best results.
Balances well across different face zones. Hydrates dry areas without overwhelming oily zones.
EWG Green Grade ingredients. Fragrance-free, gentle formula with Centella for soothing. Patch test recommended.
Non-comedogenic, fungal acne safe formula. Niacinamide helps with post-acne marks and pore refinement.
Results timeline
WEEK 8-12Immediate Hydration & Glow
Skin feels more hydrated and looks more radiant. Some users notice an immediate healthy glow after the first application.
85% noticed improved hydrationSkin Tone Improvement
Overall complexion begins to look brighter and more even. Dullness starts to fade. Clinical studies show 5.51% pigmentation improvement in 10 days.
70% noticed brighter skinDark Spot Fading
Visible reduction in dark spots, acne scars, and hyperpigmentation. Post-inflammatory marks begin to fade significantly.
80% noticed fading dark spotsSignificant Transformation
Substantial improvement in overall skin clarity and even tone. Stubborn pigmentation continues to lighten with consistent use.
75% achieved even skin toneRatings by platform
1K+ REVIEWSPros & cons
BALANCEDPraised
- Effective brightening without irritation
- Gentle enough for sensitive skin
- Non-sticky, lightweight texture
- Visible results on dark spots
- Fragrance-free and vegan certified
- Fungal acne safe formula
- Layers well with other products
- No yellowing like traditional Vitamin C
- Affordable K-beauty price point
Criticized
- 30ml bottle size runs out quickly
- Results take 4-8 weeks to show
- Can feel slightly tacky before absorption
- Not suitable for pregnancy without consultation
- May not be strong enough for severe hyperpigmentation
- Lower Vitamin C concentration than some serums
Budget-friendly alternatives (dupes)
DUPES
Simpler formula focusing on alpha arbutin for brightening. Missing tranexamic acid and niacinamide combo, but excellent value for targeting dark spots.
Higher concentration of actives (10% niacinamide, 4% TXA). Similar K-beauty approach with added arbutin. Slightly more potent formula at similar price.
Higher tranexamic acid concentration (5%) with kojic acid and licorice root. More targeted for stubborn pigmentation but less gentle overall formula.
Comparison with competitors
SIDE-BY-SIDE
Storage & shelf life
12 MONTHS12 months after opening
Store in a cool, dry place away from direct sunlight. Refrigeration optional but can extend freshness.
Glass dropper bottle with UV-protective design to maintain ingredient stability
Yes, 30ml is under 100ml TSA liquid limit. Glass bottle - pack carefully.
Frequently asked questions
FAQUse with caution. The serum contains Tranexamic Acid and Alpha-Arbutin. While topical tranexamic acid is generally considered low-risk (Category B), and niacinamide is safe, there is limited data on topical use during pregnancy. Alpha-arbutin breaks down to hydroquinone, which some sources advise avoiding. Always consult your healthcare provider before use during pregnancy or breastfeeding.
Yes! This serum is fungal acne safe. The formula is free from fatty acids, problematic oils, esters, and polysorbates that feed Malassezia yeast. While it contains Bifida Ferment Lysate, this ingredient is considered safe as it is not lipid-based and doesn't promote yeast growth.
Yes, this serum is generally compatible with most skincare actives. You can use it with AHAs, BHAs, and other Vitamin C products. For retinol, consider alternating nights or using this serum in the AM and retinol in the PM to minimize potential sensitivity. Always introduce new combinations gradually and monitor your skin's response.
This serum works well for all skin types, but is particularly excellent for oily, combination, sensitive, and acne-prone skin. The lightweight, non-greasy formula with EWG Green Grade ingredients makes it ideal for those who find traditional Vitamin C serums too irritating. Dry skin types should follow with a heavier moisturizer.
Most users notice improved hydration and radiance within 1-2 weeks. Visible brightening of overall skin tone typically appears at 2-4 weeks. Significant fading of dark spots and hyperpigmentation usually occurs between 4-8 weeks of consistent use. Clinical studies showed 5.51% improvement in pigmentation in just 10 days. For stubborn pigmentation, continue use for 8-12 weeks.
Apply after cleansing and toning, but before moisturizer and sunscreen. The order is: Cleanser → Toner → This Serum → Moisturizer → Sunscreen (AM). Apply 2-3 drops to slightly damp skin and pat gently for absorption. Wait 30 seconds before applying your next product.
No, this serum has a comedogenic rating of 1/5 (very low). The lightweight, oil-free formula is non-comedogenic and won't clog pores. It's actually beneficial for acne-prone skin as the niacinamide helps regulate sebum production and minimize pore appearance.
The serum has a PAO (Period After Opening) of 12 months. Store in a cool, dry place away from direct sunlight. Unlike pure L-ascorbic acid serums that oxidize quickly and turn yellow/brown, this formula uses stable Vitamin C derivatives and Sea Buckthorn Water, which maintain effectiveness longer. The 30ml bottle typically lasts 1-2 months with twice-daily use.
Verdict: Dr. Althea Vitamin C Boosting Serum RENEWED is an excellent choice for anyone seeking effective brightening without the irritation of traditional Vitamin C serums. The 63% Sea Buckthorn Water combined with 5% Niacinamide and 2% Tranexamic Acid creates a powerful yet gentle formula that delivers visible results on dark spots and uneven skin tone. At $23.90, it offers exceptional value compared to prestige alternatives like SkinCeuticals ($115). Ideal for sensitive, acne-prone, and fungal acne-prone skin types. The only drawbacks are the small bottle size and the need for consistent 4-8 week use to see significant results. A must-try K-beauty gem for brightening seekers who prioritize skin compatibility.
Browse related
Product Overview
What are Quick Product Notes?
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.
Pro Tip Alert!
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
Paraben-Free
Paraben-Free
Understanding Parabens
Parabens are a large group of preservatives which are used to prevent bacteria growing in cosmetic formulations. There has been some healthy controversy surrounding them due to a few studies finding paraben presence in breast tumours and breast tissue. However, the majority of the scientific community have deemed these findings non-conclusive due to the limitations of these studies. There's still a lot of support for avoiding parabens following the better safe than sorry route. If you do we completely support you! If you are concerned about the health safety of parabens, then feel free to avoid them by looking out for the Paraben-Free icon. If not, don't worry about it - they do have had one of the longest safety records as preservatives!
Which Ingredients are classified as Paraben?
A product will be paraben-free if it does not contain any of the following parabens:
- Sodium Isobutylparaben
- Sodium Ethylparaben
- Sodium Butylparaben
- Propylparaben
- Isopropylparaben
- Isobutylparaben
- Sodium Propylparaben
- Butylparaben
- Ethylparaben
- Sodium Methylparaben
- Methylparaben
Sulfate-Free
Sulfate-Free
Understanding Sulfates
Sulfates are a large group of ingredients which act as cleansing agents in Cosmetics. They help loosen up the dirt and grime from your skin and hair to allow for water to wash it away with ease. However some sulfates are so good at their job, they can wash off your skin’s own natural oils that keep it moisturised and protected which can lead to dryness and irritation. Most people will find no issues with sulfate, however if you find your skin doesn't like sulfates then free feel to avoid them by looking out for the sulfate-free icon on Skincarisma.
Which ingredients are classified as sulfates?
We've taken the Sulfates which are considered more harsh for our Sulfate-Free status. A product will be Sulfate-Free if it does not contain any of the following Sulfates:
- TEA-Dodecylbenzenesulfonate
- Ammonium Laureth Sulfate
- Sodium Lauryl Sulfate
- PEG-15 Cocamine
- Sodium Laureth Sulfate
- Sodium Cocoyl Sarcosinate
- Sodium C14-16 Olefin Sulfonate
- Dioctyl Sodium Sulfosuccinate
- Ammonium Xylenesulfonate
- Ammonium Lauryl Sulfate
- Sodium Xylenesulfonate
- Sodium Myreth Sulfate
- Sodium Lauryl Sulfoacetate
Alcohol-Free
Alcohol-Free
Understanding Simple Alcohols
Alcohol ingredients are widely used in cosmetics and come in different types. For the most part alcohols are not problematic at all. However one type of alcohols, simple alcohols can be quite drying to the skin because it evaporates very quickly. This can cause irritation which can also lead to other skin complications. These alcohols should never be used alone on your skin, but combined with other cosmetic ingredients, they are normally without issue. However, for some people with sensitive and easily irritable skin, avoiding products with these simple alcohols may be beneficial. If you find your skin doesn't like these simple alcohols, then free feel to avoid them by looking out for the Alcohol-Free icon.
Which Ingredients are classified as Alcohol?
A product will be alcohol-free if it does not contain any of the following alcohol ingredients:
- SD Alcohol
- Alcohol Denat
- Isopropyl Alcohol
- Alcohol
Silicone-Free
Silicone-Free
Understanding Silicones
If you've ever used a skincare, makeup or beauty product that's made your skin look and feel smoother tempoarily - it's likely contained Silicone. They are a popular class of ingredients found in cosmetics due to their smooth, soft, easy-to-spread and smooth properties that help creates an artificial layer/barrier on top of skin or hair (commonly found in conditioners).
For the same reasons they are popularly used, they are also commonly avoided. Anecdotally, many individuals have reported that Silicones cause/excerbate breakouts, irritation, cause a feeling of skin being unable to breathe, cause clumping of cosmetic products and find it difficult to wash off. As a result, those who find them problematic are avoiding them and increasingly, cosmetic companies are avoiding them as well.
If you have had bad experiences with Silicones in the past, or suspect they are problematic then look out for the tick on the Silicone-free label.
Disclaimer
The Silicone-free label only includes the most common Silicone ingredients that have indentified been reported by individuals that could potentially cause issues.
These include: Amodimethicone, Behenoxy Dimethicone, Bis-Aminopropyl Dimethicone, Cetearyl Methicone, Cetyl Dimethicone, Cyclomethicone, Cyclopentasiloxane, Dimethicone, Dimethicone Copolyol, Dimethiconol, Methicone, Phenyl Trimethicone, Phenyl Trimethicone, Stearoxy Dimethicone, Stearyl Dimethicone, Trimethylsilylamodimethicone.
Note, that this does not include all ingredients part of the Silicone class of ingredients.
EU Allergen-Free
EU Allergen-Free
Understanding the Identified Contact Allergens
The EU's Scientific Committee on Consumer Safety (SCCS) has identified and established 26 cosmetic ingredients that are likely contact allergens (potential to cause skin allergies) as demonstrated in clinical or epidemiological studies. The EU's SCCS have recommend cosmetic companies to disclose them on the labels if used and in cases where the concentration exceeds 0.001% in leave-on products and 0.01% in rinse-off products, then they must be labelled.
Look out for the tick on the EU-Allergen free label to know your cosmetic is free from any of the 26 identified cosmetic ingredients.
For more information regarding the EU's Scientific Committee on Consumer Safety, please visit their official website.
Disclaimer
The EU Allergen Free label is for the 26 ingredients identified by the EU SCCS and products will be only flagged if a suspected ingredient is on it's ingredient list. It is possible for cosmetics to contain one of the suspect ingredients without it appearing on the ingredient list due to it not reaching the concentration threshold to disclose it and cosmetic manufacturers choice to not disclose it.
Also note, the EU Allergen Free label is not personalized for your own allergies you may have and it does not constitute as medical advice. For your specific case, always consult your medical professiona such as dermatologist, physician, pharmacist, or health care provider - please read our medical disclaimer for more information.
Fungal Acne (Molassezia) Safe
Fungal Acne (Molassezia) Safe
Understanding Fungal Acne (Pityrosporum Folliculitis/Malassezia Folliculitis)
Pityrosporum Folliculitis/Malassezia folliculitis or simply known as Fungal Acne is a persistent acne-like condition that commonly responds poorly to traditional acne-treating methods. Unlike most cases of Acne where bacteria is the culprit, Fungi is the culprit of Fungal Acne (Hence the name!). There are certain classes & groups of ingredients that have been shown to promote and feed the growth of the Fungal Acne, Fungi such as fatty acids, oils, esters, polysorbates and fermented ingredients.
For more information regarding Fungal Acne, please visit Simple Skincare Science (f.c) - #3 of our Recommend Skincare Resources for an amazing comprehensive guide!
Please Read: How to use the Fungal Acne (Malassezia) Label
At SkinCarisma, we've done our best to identify as many ingredients as possible but note the fungal-free label may not be 100% accurate due to the complexconditions and combination of ingredients that malezzeria can thrive on.
Additionally, products that may contain ingredients that have shown to feed Malassezia may not neccessarily exacerbate the condition due to concentration of ingredient used in the product, this information is simply not available on the products.
As a result, please note this is only an experimental label that can be best used to possible identify problematic products you have used in the past. It is in no way a perfect identifier nor a predictor in whether or not it will exacerbate or cause fungal acne. It will continue to be worked on as more information and research comes to light.
If you find any ingredients you believe should be included, please email us at snails@skincarisma.com.
Disclaimer
Due to the lack of substantial research into this area it is very likely there are other ingredients and class/groups of ingredients that could feed Fungal Acne which have not been indentified.
The Fungal-Safe label does not constitute as medical advice. For your specific case, always consult your medical professiona such as dermatologist, physician, pharmacist, or health care provider - please read our medical disclaimer for more information.
What are Notable Effects & Ingredients?
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.
Pro Tip Alert!
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
Anti-Aging from 9 ingredient(s):
Brightening from 5 ingredient(s):
Promotes Wound Healing from 9 ingredient(s):
Ache-fighting from 1 ingredient(s):
What are Ingredients Related to Skin Type?
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.
Pro Tip Alert!
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
Dry Skin
Oily/Acne-Prone Skin
Sensitive Skin
What is the Ingredient Safety Breakdown?
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.
Pro Tip Alert!
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 |
|---|---|---|---|
| 0 |
Hippophae Rhamnoides Water
Masking, Perfuming, Skin Conditioning
|
|
|
| 0 |
Centella Asiatica Leaf Water
Skin Conditioning
|
Redness
Irritation
|
|
| 1 |
Niacinamide
Skin Conditioning, Hair Conditioning, Smoothing
|
Brightening
Ache-fighting
Anti-Aging
Promotes Wound Healing
Redness
Irritation
Dark Spots
Pores
|
|
| 1 |
Butylene Glycol
Solvent, Skin Conditioning, Masking, Fragrance, Humectant, Viscosity Controlling, Viscositydecreasing Agent
|
Hydrating
|
|
| 1 |
1,2-Hexanediol
Solvent, Skin Conditioning
|
Hydrating
|