Skip to content

Retinal + Niacinamide Youth Serum

Retinal + Niacinamide Youth Serum

Product Description

Product overview

Made in Various INTERNATIONAL

Youth To The People Retinal + Niacinamide Youth Serum is a multi-effect PM treatment featuring 0.15% stabilized retinaldehyde — the most potent retinoid available without a prescription. Buffered with 5% niacinamide, an adaptogenic mushroom complex (Reishi, Maitake, Shiitake), ashwagandha, and three skin-identical ceramides, this lightweight watery serum smooths texture, blurs fine lines, brightens uneven tone, and refines pores while minimizing the typical retinization period.

0.15% Retinaldehyde 5% Niacinamide Vegan & Cruelty-Free Fragrance-Free Clean at Sephora Cyclodextrin Encapsulated Ceramide Complex Adaptogenic Mushrooms Recyclable Packaging
Pregnancy
No
Fungal Acne
No
Comedogenic
1/5
Size
30 ml / 1 oz
Use
PM Only
Type
Treatment Serum
Target
Anti-Aging
Base
Water-Based
Real reviews · YouTube Shorts
Why it's different

Most Potent OTC Retinoid

Retinaldehyde is just one conversion step from active retinoic acid — 11x faster than retinol with comparable results.

01

Texture & feel

SENSORY
Consistency
Watery, Lightweight
Scent
Fragrance-Free
Absorption
Under 60 seconds
Finish
Natural, Non-Greasy

Most Potent OTC Retinoid

Retinaldehyde is just one conversion step from active retinoic acid — 11x faster than retinol with comparable results.

Cyclodextrin Encapsulation

Stabilizes retinal against light and oxygen degradation while enabling controlled release for less irritation.

Adaptogenic Mushroom Complex

Reishi, Maitake, and Shiitake extracts plus ashwagandha help calm visible stress and buffer retinization.

Triple Ceramide Barrier

Ceramide NP, AP, and EOP plus cholesterol and phytosphingosine reinforce the moisture barrier as retinal works.

Multi-Weight Hyaluronic Acid

Sodium hyaluronate crosspolymer, hydrolyzed sodium hyaluronate, and hyaluronic acid hydrate at multiple skin depths.

Vegan & Clean Beauty

Free from parabens, sulfates, phthalates, mineral oil, and synthetic fragrance. Clean at Sephora certified.

02

Safety & compatibility

SAFE
Pregnancy & Breastfeeding: Not Safe

Contains retinaldehyde. All retinoids are contraindicated during pregnancy and nursing — discontinue use.

Fungal Acne (Malassezia): Not Safe

Contains polyglyceryl-10 myristate, hydrogenated lecithin, and several plant oils that may feed malassezia.

Sun Sensitivity: High

Retinoids increase photosensitivity. Daily broad-spectrum SPF 30+ is mandatory while using this serum.

Retinization Period

Mild dryness or flaking is possible during weeks 1–3. Start once weekly and build up gradually.

Cruelty-Free & Vegan

Leaping Bunny certified — never tested on animals and contains no animal-derived ingredients.

Avoid Eye Area

Apply to face and neck only. Keep away from the eye area, lips, and broken skin.

03

Ingredient breakdown

INGREDIENTS

Retinaldehyde (Retinal) 0.15%Proven

The hero active. Retinal is one biological step from retinoic acid (the active form), making it up to 11 times more potent than retinol while remaining available without a prescription. Stabilized via cyclodextrin encapsulation.

  • British Journal of Dermatology: 0.05% retinaldehyde demonstrated significant reduction in fine lines and photoaging over 18 weeks.
  • Mechanism: Accelerates cell turnover, stimulates collagen synthesis, regulates pigmentation, and exhibits antibacterial activity against C. acnes.
  • Concentration: 0.15% sits in the upper range of OTC retinal, balancing efficacy with tolerability.
Photosensitizing — degrades in UV light. Use only at night and store in original opaque packaging.

Niacinamide (Vitamin B3) 5%Proven

A multi-tasking vitamin that strengthens the skin barrier, regulates sebum production, fades post-inflammatory hyperpigmentation, and minimizes the appearance of pores. Crucially, it buffers retinal-induced irritation.

  • Journal of Cosmetic Dermatology: 5% niacinamide reduced hyperpigmentation and improved skin elasticity within 8–12 weeks.
  • Barrier Support: Boosts ceramide and free fatty acid production in the stratum corneum, reducing trans-epidermal water loss.

Adaptogenic Mushroom Complex ~2-3%Promising

A blend of Reishi (Ganoderma Lucidum), Maitake (Grifola Frondosa), and Shiitake (Lentinus Edodes) extracts plus ashwagandha root. Antioxidant-rich and anti-inflammatory — they help skin "adapt" to retinal stress.

  • International Journal of Molecular Sciences: Beta-glucans from Maitake demonstrated significant antioxidant and skin-soothing activity in vitro.
  • Ashwagandha: Withanolides modulate inflammatory pathways and may support collagen integrity.

Triple Ceramide Complex ~1%Proven

Ceramide NP, Ceramide AP, and Ceramide EOP combined with cholesterol and phytosphingosine — a clinically validated barrier-restoration ratio identical to skin's natural lipid matrix.

  • Dermatologic Therapy: The 3:1:1 ceramide:cholesterol:fatty acid ratio is proven optimal for barrier repair.
  • Function: Reduces TEWL by up to 30% and protects against retinoid-induced barrier disruption.

Multi-Weight Hyaluronic Acid ~1-2%Proven

Four forms of HA — sodium hyaluronate crosspolymer, hydrolyzed glycosaminoglycans, sodium hyaluronate, and hyaluronic acid — penetrate at different skin depths to deliver lasting hydration.

  • Capacity: Hyaluronic acid can hold up to 1,000 times its weight in water.
  • Multi-MW advantage: Surface plumping plus deeper hydration in a single formula.

Squalane & Plant Oils ~5%Proven

Squalane (saturated, stable, mimics natural sebum) plus cloudberry seed oil, sunflower seed oil, cucumber seed oil, and shea butter cushion the skin without clogging pores.

  • Cloudberry Oil: One of the richest plant sources of vitamin E and omega-3 fatty acids.
  • Squalane: Non-comedogenic emollient compatible with all skin types.

44 ingredients

Water, Butylene Glycol, Triethylhexanoin, Niacinamide, Squalane, Cyclodextrin, Glycerin, Hydrogenated Lecithin, Polyglyceryl-10 Myristate, Grifola Frondosa Fruiting Body Extract, Rubus Chamaemorus (Cloudberry) Seed Oil, Arginine, Retinal, Withania Somnifera (Ashwagandha) Root Extract, Helianthus Annuus (Sunflower) Seed Oil, Hordeum Vulgare Extract, Ganoderma Lucidum (Reishi) Stem Extract, Sodium Hyaluronate Crosspolymer, Cucumis Sativus (Cucumber) Seed Oil, Lonicera Japonica (Honeysuckle) Flower Extract, Ceramide NP, Ceramide AP, Phytosphingosine, Cholesterol, Lentinus Edodes (Shiitake) Mycelium Extract, Lonicera Caprifolium (Honeysuckle) Flower Extract, Butyrospermum Parkii (Shea) Oil, Ceramide EOP, Sodium Lauroyl Lactylate, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Capryloyl Glycerin/Sebacic Acid Copolymer, Xanthan Gum, Tocopherol, Carbomer, Hydrolyzed Glycosaminoglycans, Sodium Hyaluronate, Hyaluronic Acid, Pentylene Glycol, Hydrolyzed Sodium Hyaluronate, Diheptyl Succinate, Phenoxyethanol, Ethylhexylglycerin, Phytosterols, Propanediol, Benzyl Glycol, Raspberry Ketone.

FREE FROM: Parabens, sulfates (SLS/SLES), phthalates, mineral oil, formaldehyde, synthetic fragrance, silicones, drying alcohols, gluten, animal-derived ingredients.
04

Where it fits in your routine

ROUTINE
1
Cleanser
2
Toner
3
Essence
4
Retinal Serum
5
Moisturizer
6
Face Oil

PM ONLY — apply to clean, dry skin before moisturizer. Always follow with broad-spectrum SPF 30+ the next morning.

05

How to use

HOW TO USE
1

Start Slow

Use once a week for the first 2 weeks to allow your skin to acclimate to retinaldehyde.

2

Cleanse & Dry

Apply only to clean, completely dry skin. Damp skin increases retinoid absorption and irritation potential.

3

Pea-Sized Amount

Dispense one pump (roughly pea-sized) and dot across forehead, cheeks, chin, and neck. Avoid the eye area.

4

Build Up Gradually

Increase to 2–3 nights per week after week 2, then to nightly use as tolerated (typically week 4–6).

5

Lock In With Moisturizer

Follow with a barrier-supporting cream like Adaptogen Deep Moisture Cream to seal hydration.

6

SPF Every Morning

Daily broad-spectrum SPF 30+ is non-negotiable while using retinoids — sun exposure reverses results.

06

Who is it for?

WHO

Perfect for you if:

  • You're 25+ and want to address fine lines, wrinkles, or early aging
  • You have uneven skin tone, dark spots, or post-acne marks
  • You've found retinol too slow but tretinoin too harsh
  • You have rough skin texture or enlarged pores
  • You want clinical-grade results in a clean, vegan formula
  • You have normal, combination, or oily skin

Consider alternatives if:

  • You are pregnant, trying to conceive, or breastfeeding
  • You have very sensitive, rosacea-prone, or eczema-prone skin
  • You struggle with malassezia (fungal acne)
  • You're already using prescription tretinoin
  • You're under 20 and don't have specific anti-aging concerns
  • You can't commit to daily SPF use
07

Skin type compatibility

SKIN TYPES
Oily Skin
Excellent

Lightweight watery texture absorbs quickly. Niacinamide regulates sebum and retinal refines pores without adding shine.

Dry Skin
Good

Ceramides and HA cushion well, but follow with a rich cream — retinal can intensify dryness during retinization.

Combination
Excellent

Ideal match. Balances oily zones while ceramides and squalane nourish drier areas without congesting pores.

Sensitive
Moderate

Buffered formula is among the gentler retinals, but 0.15% may still trigger reactivity. Patch test and start once weekly.

Acne-Prone
Good

Retinal exhibits antibacterial activity against C. acnes and clears clogged pores. Not malassezia-safe though.

Mature Skin
Excellent

The premier skin type for this serum. Targets fine lines, loss of firmness, and uneven tone simultaneously.

08

Results timeline

3–6 MONTHS
Overnight

Smoother, Plumper Skin

Multi-weight hyaluronic acid and squalane deliver immediate surface hydration. Skin looks more radiant by morning.

85% noticed
Weeks 1–3

Retinization Period

Mild dryness, occasional flaking, or slight tightness as cell turnover accelerates. Niacinamide and ceramides minimize discomfort.

60% noticed mild adjustment
4–6 Weeks

Smoother Texture & Brighter Tone

Skin appears more refined. Pores look smaller, surface roughness diminishes, and post-acne marks begin to fade.

76% noticed
8–12 Weeks

Visible Fine Line Reduction

Fine lines around eyes, forehead, and mouth appear softer. Dark spots continue fading. Overall radiance improves.

82% noticed
3–6 Months

Transformative Results

Long-term collagen support translates to improved firmness, evened tone, and refined texture. Maximum retinal benefits realized.

91% noticed
09

Ratings by platform

3K+ REVIEWS
Sephora
4.3
Rating
1,500+
Reviews
Main complaint: Premium price point ($72 for 30ml) feels steep compared to similar retinals.
Amazon
4.2
Rating
800+
Reviews
Main complaint: Some users report dryness during the first 2–3 weeks of use.
YTTP Brand Site
4.5
Rating
600+
Reviews
Main complaint: Bottle size feels small — 30ml lasts roughly 2–3 months with nightly use.
Sephora UK
4.4
Rating
200+
Reviews
Main complaint: Slight "green" botanical scent that some users find distinct, though it doesn't linger.
10

Pros & cons

BALANCED

Praised

  • Genuinely effective potency at 0.15% retinaldehyde
  • Less irritating than most retinals thanks to ceramide buffering
  • Lightweight watery texture absorbs quickly
  • Visible smoothing, brightening, and pore refinement
  • Niacinamide pairs synergistically with retinal
  • Clean, vegan, fragrance-free formulation
  • Tinted glass bottle protects retinal from light
  • Suitable for retinoid intermediates

Criticized

  • Premium price ($72 USD for 30 ml)
  • Standard pump (not airless) — slight stability concern
  • Not for sensitive or rosacea-prone skin
  • Not pregnancy- or breastfeeding-safe
  • Not fungal acne (malassezia) safe
  • Mild dryness during retinization weeks
  • 30ml feels small for the price
  • Faint herbal botanical scent some dislike
11

Budget-friendly alternatives (dupes)

DUPES
85% Match
Naturium Retinaldehyde Cream Serum 0.05%
$26.99
Budget Pick

Lower retinal concentration (0.05% vs. 0.15%) makes it gentler for beginners. Includes bakuchiol and squalane. Bigger 30ml bottle at one-third the price, but slower to deliver visible results.

82% Match
Retinal 0.2% Emulsion
$11.20
Budget Pick

Higher retinal concentration (0.2%) at a fraction of the cost. Far simpler formula — no ceramides, no adaptogens, no niacinamide buffering. More potent but more potentially irritating.

72% Match
A-Game 10 0.1% Retinal Serum
$15.00
Budget Pick

Encapsulated retinal at a low price point. Hungarian indie brand with strong cult following. Simpler formulation without the ceramide/adaptogen complex but solid efficacy.

68% Match
0.1% Cream
$45.00
Similar Tier

French-pharmacy retinal with thermal spring water and pre-tocopheryl. Cream texture better for dry skin. Lower retinal % but pharmaceutical-grade stabilization.

12

Comparison with competitors

SIDE-BY-SIDE
Crystal Retinal
Active 0.06% Retinal
Size 30 ml
Stabilization Crystal Encapsulation
Buffer Complex Vitamin E + HA
Vegan Yes
Fragrance Free

Naturium Retinaldehyde Cream Serum

Active 0.05% Retinal + Bakuchiol
Size 30 ml
Stabilization Encapsulated
Buffer Complex Squalane + Bakuchiol
Vegan Yes
Fragrance Free
Retinal 0.2% Emulsion
Active 0.2% Retinal
Size 15 ml
Stabilization Encapsulated
Buffer Complex Minimal
Vegan Yes
Fragrance Free
13

Storage & shelf life

12 MONTHS
Period After Opening (PAO)

12 months after opening — retinaldehyde degrades faster than retinol, so use within a year.

Storage

Store in a cool, dry place away from direct sunlight. Replace cap tightly after each use. Optional refrigeration extends potency.

Packaging

Tinted dark glass bottle with standard pump dispenser. Recyclable packaging.

Travel Friendly

Yes — 30ml is well under TSA's 100ml liquid limit. Glass bottle requires careful packing.

13

Frequently asked questions

FAQ

No. This serum contains 0.15% retinaldehyde, a potent retinoid. All retinoids — including retinal, retinol, and prescription tretinoin — are contraindicated during pregnancy and breastfeeding due to potential risk to fetal development. If you are pregnant, trying to conceive, or nursing, discontinue use and switch to bakuchiol, peptides, or vitamin C serums for anti-aging support. Consult your OB-GYN or dermatologist for personalized recommendations.

No. The formula contains several ingredients that may feed Malassezia yeast, including polyglyceryl-10 myristate, hydrogenated lecithin, and multiple plant oils (cloudberry, sunflower, cucumber, shea). If you have confirmed fungal acne or recurring small uniform bumps on your forehead, chest, or back, opt for a malassezia-safe retinoid alternative such as adapalene (Differin) or a simpler retinol formulation without fatty esters and oils.

Do not layer with other retinoids — choose one retinoid product at a time. Vitamin C is best used in your AM routine while this serum is reserved for PM. Avoid combining with AHA/BHA exfoliants in the same evening, as this risks barrier disruption and intense irritation. Alternate nights with chemical exfoliants if needed. Niacinamide, peptides, hyaluronic acid, ceramides, and squalane all layer beautifully with this serum.

This serum is best suited for normal, combination, oily, and acne-prone skin types looking to address fine lines, uneven tone, rough texture, or enlarged pores. Mature skin benefits the most from sustained use. Dry skin can use it but should layer a richer moisturizer on top. Sensitive or rosacea-prone skin should patch test first and start at once weekly — the buffering complex helps but 0.15% retinaldehyde may still be too potent for highly reactive skin.

You'll notice improved radiance and hydration within the first week. Smoother texture and refined pores typically appear at 4–6 weeks. Visible fine line reduction takes 8–12 weeks of consistent use. Maximum results — including improved firmness, evened tone, and significantly softened wrinkles — develop over 3–6 months. Patience and consistency are essential; skipping nights or stopping use will reset your progress.

Apply it in your PM routine only, after cleansing and toning, on completely dry skin. Wait 1–2 minutes before applying moisturizer to allow the retinal to penetrate. The full nighttime order: cleanser → toner → essence (optional) → Retinal + Niacinamide Youth Serum → moisturizer → face oil (optional). Never use during the day, as retinaldehyde degrades in sunlight and increases photosensitivity. Always apply broad-spectrum SPF 30+ the following morning.

No, this serum has a low comedogenic rating of 1/5. The lightweight watery base, squalane (non-comedogenic emollient), and refined plant oils are unlikely to clog pores for most users. In fact, retinaldehyde itself accelerates cell turnover and clears existing congestion. Note: while it's non-comedogenic, it's not malassezia-safe — different concern entirely.

The Period After Opening (PAO) is 12 months. Retinaldehyde is more stable than retinol but still photosensitive, so always replace the cap tightly and store the bottle in its original box or in a cool, dark cabinet. Signs of degradation include darkening from yellow to brown, separation, or a rancid smell — discard if any of these occur. With nightly use, a 30ml bottle typically lasts 2–3 months.

— Skincarisma verdict
4.4 / 5 ★★★★☆

Verdict: Youth To The People's Retinal + Niacinamide Youth Serum is one of the most thoughtfully buffered retinaldehyde serums on the market. The 0.15% concentration sits in the sweet spot between efficacy and tolerability, while the cyclodextrin encapsulation, triple-ceramide complex, adaptogenic mushrooms, and 5% niacinamide work in concert to minimize the typical retinization period. It earns its premium price through formulation sophistication rather than marketing flair. Best for normal-to-combination skin ready to graduate from retinol, those targeting fine lines and uneven tone, and anyone who wants clinical results in a clean, vegan formula. Skip it if you're pregnant, breastfeeding, fungal-acne prone, or have highly reactive skin. With consistent nightly use and daily SPF, expect transformative results within 8–12 weeks.

Product Overview

question
lightbulb 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.

muscle 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.

Awesome, I Understand!

Quick Product Notes

Click on icons for more information
question
lightbulb 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.

muscle 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

Awesome, I Understand!

Notable Effects & Ingredients

anti-aging Anti-Aging from 6 ingredient(s):
Niacinamide Retinal Ceramide NP Ceramide AP Tocopherol Hyaluronic Acid
brightening Brightening from 4 ingredient(s):
Niacinamide Glycerin Retinal Hyaluronic Acid
wound Promotes Wound Healing from 8 ingredient(s):
Niacinamide Glycerin Arginine Retinal Tocopherol Sodium Hyaluronate Hyaluronic Acid Hydrolyzed Sodium Hyaluronate
ache Ache-fighting from 2 ingredient(s):
Niacinamide Retinal
question
lightbulb 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.

muscle 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!

Awesome, I Understand!

Ingredients Related to Skin Types

Click on icons for more information
dry-skin Dry Skin
4
oily-skin Oily/Acne-Prone Skin
1
sensitive-skin Sensitive Skin
question
lightbulb 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.

muscle 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.

Awesome, I Understand!

Ingredient Safety Breakdown

EWG Health Ratings
Low risk
Medium risk
High risk
Unknown risk
47% 2% 50%

Product ingredient list

Showing first 5 of 46 ingredients
EWG CIR Ingredient Name & Cosmetic Functions Notes
1 Unknown
Water
Solvent, Skin Conditioning
1 A
Butylene Glycol
Solvent, Skin Conditioning, Masking, Fragrance, Humectant, Viscosity Controlling, Viscositydecreasing Agent
Hydrating
1 A
Triethylhexanoin
Fragrance, Hair Conditioning, Antistatic Agent, Emollient, Masking, Refatting, Skin Conditioning, Solvent
1 A
Niacinamide
Skin Conditioning, Hair Conditioning, Smoothing
brightening Brightening
ache Ache-fighting
anti-aging Anti-Aging
Promotes Wound Healing
Redness
Irritation
Dark Spots
Pores
1 A
Squalane
Skin Conditioning, Emollient, Hair Conditioning, Refatting
Hydrating
VIEW ALL INGREDIENTS