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La Roche-Posay
Retinol B3 Pure Retinol Serum
A serum built around Niacinamide and Hyaluronic acid, for smoothing and barrier repair.
Brand price
USD 44.99 · checked 25 Sept 2026 · on the brand's site
From the brand
What the brand says about this product. Our ingredient analysis follows below.
The brand recommends it for
- Normal skin
- Sensitive skin
- Dark spots & pigmentation
- Fine lines & wrinkles
- Dryness & dehydration
How to use
3-4 Drops WHEN EVENING After cleansing face WHERE ON FACE & NECK Taking care to avoid eye area APPLICATION TIP Gently massage the serum with your finger tips. It can be used alone or under a moisturizer. Follow with a daily moisturizer and SPF.
Caution
Pure retinol can react on contact with the air, turning yellow. This does not impair its tolerance or efficacy. As a precautionary measure, avoid using products containing retinol during pregnancy and while breastfeeding.
What's inside
Ingredients List
9 trigger at least one check · 13 trigger none
- Denatured alcohol
- May Worsen Dryness
- May Worsen Eczema
- May Worsen Irritation
- May Worsen Rosacea
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
- Plant oils and butters (coconut, olive, shea)
- Plant or mineral oil
- Barrier Repair
- May Trigger Acne
- May Worsen Keratosis Pilaris
- May Worsen Oily Skin
- May Worsen Seborrheic Dermatitis
- Fatty alcohols (Malassezia)
- May Worsen Seborrheic Dermatitis
Key Ingredients
Hyaluronic acid1
Hyaluronic acid and its salts; a humectant that binds water to the skin.
Benefits
Hydrating4
Boosts hydration and relieves dry, tight skin.
Barrier Repair7
Strengthens and restores the skin's natural barrier.
Caprylyl Glycol, Cyclohexasiloxane, Dimethicone, Glycerin, Glycine Soja Oil, Niacinamide, Tocopherol
Smoothing8
Refines rough or uneven texture.
Caprylyl Glycol, Citric Acid, Cyclohexasiloxane, Dimethicone, Glycine Soja Oil, Niacinamide, Retinol, Retinyl Palmitate
Concerns
May Trigger Acne3
Can clog pores or trigger breakouts.
May Worsen Seborrheic Dermatitis3
May feed the yeast involved in seborrheic dermatitis.
Glycine Soja Oil, PPG-6-DECYLTETRADECETH-30, Retinyl Palmitate
May Worsen Keratosis Pilaris3
May clog follicles or strip skin prone to keratosis pilaris.
May Worsen Irritation4
May cause stinging, redness or sensitivity.
Ingredients Explained
Click on any ingredient to learn more about it
Aqua
Solvent
Glycerin
Denaturant, Fragrance, Hair Conditioning, Humectant, Oral Care, Perfuming, Humectant, Skin Protecting, Solvent, Viscosity Controlling
Glycerin may be plant, synthetic or animal depending on the supplier.
Learn more about Glycerin →Cyclohexasiloxane
Hair Conditioning, Emollient, Solvent
Cyclohexasiloxane is a silicone.
Learn more about Cyclohexasiloxane →Alcohol Denat.
Antifoaming, Antimicrobial, Astringent, Fragrance, Solvent, Viscosity Controlling
Alcohol Denat. is a drying alcohol.
Learn more about Alcohol Denat. →Pentylene Glycol
Skin Conditioning, Solvent
1,2-Dihydroxypentane
Learn more about Pentylene Glycol →Niacinamide
Smoothing
Niacinamide is niacinamide.
Learn more about Niacinamide →Dimethicone
Antifoaming, Skin Conditioning, Emollient, Skin Protecting
Dimethicone is a silicone.
Learn more about Dimethicone →Glycine Soja Oil
Perfuming, Skin Conditioning, Emollient
Glycine Soja Oil isn't fungal acne safe.
Learn more about Glycine Soja Oil →PPG-6-DECYLTETRADECETH-30
Cleansing, Emulsifying
PPG-6-DECYLTETRADECETH-30 isn't fungal acne safe.
Learn more about PPG-6-DECYLTETRADECETH-30 →Sodium Hyaluronate
Humectant, Skin Conditioning
Sodium Hyaluronate is a hyaluronic acid.
Learn more about Sodium Hyaluronate →
Dupes
- La Roche-Posay Hyalu B5 Suractivated Serum with Hyaluronic Acid74% match
- La Roche-Posay Mela B3 Dark Spot Serum With Melasyl™ + Niacinamide74% match
- La Roche-Posay Mela B3 Double Dose Discoloration Treatment with Melasyl™73% match
- La Roche-Posay Vitamin C12 Serum73% match
- SkinCeuticals Hyaluronic Acid Intensifier Multi-Glycan70% match
- La Roche-Posay Vitamin C12 Oil Control Serum For Oily Skin69% match