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La Roche-Posay
Mela B3 UV Daily Moisturizer SPF 30 With Melasyl™ + Niacinamide
A moisturizer with spf built around Niacinamide and Mineral sunscreen, for barrier repair and smoothing.
Brand price
USD 34.99 · 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
- Dark spots & pigmentation
- Fine lines & wrinkles
- Dullness
- Uneven texture
How to use
Apply generously 15 minutes before sun exposure. Reapply at least every 2 hours. WHERE ON FACE & NECK Can be used alone or under makeup APPLICATION TIP If used with other skincare products, use as a last step in regimen.
What's inside
Ingredients List
7 trigger at least one check · 25 trigger none
- 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
- Hydrating
- May Worsen Oily Skin
- May Worsen Seborrheic Dermatitis
Key Ingredients
Mineral sunscreen1
Uses zinc oxide or titanium dioxide to absorb and scatter UV rays.
Benefits
Hydrating4
Boosts hydration and relieves dry, tight skin.
Butylene Glycol, Butyrospermum Parkii Butter, Glycerin, Sodium Dilauramidoglutamide Lysine
Barrier Repair6
Strengthens and restores the skin's natural barrier.
Arachidyl Alcohol, Behenyl Alcohol, Butyrospermum Parkii Butter, Caprylyl Glycol, Glycerin, Niacinamide
Smoothing5
Refines rough or uneven texture.
Arachidyl Alcohol, Behenyl Alcohol, Caprylyl Glycol, Citric Acid, Niacinamide
Antioxidant2
Shields skin from free radical damage.
Hydroxyacetophenone, Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate
Anti-Pollution3
Helps defend against airborne pollutants.
Glycerin, Hydroxyacetophenone, Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate
Concerns
May Worsen Seborrheic Dermatitis6
May feed the yeast involved in seborrheic dermatitis.
Arachidyl Alcohol, Arachidyl Glucoside, Behenyl Alcohol, Butyrospermum Parkii Butter, Poly C10-30 Alkyl Acrylate, Sodium Dilauramidoglutamide Lysine
Ingredients Explained
Click on any ingredient to learn more about it
Water
Antiplaque, Skin Conditioning, Solvent
Aqua (EU),Deionized Water,Distilled Water,Micromatrix Fractile AN,Onsen-Sui (JPN),Purified Water
Learn more about Water →C15-19 Alkane
Solvent
C15-C19 Alkane is a mixture of alkanes with 15 to 19 carbon atoms in the alkyl chain.
Learn more about C15-19 Alkane →Niacinamide
Smoothing
Niacinamide is niacinamide.
Learn more about Niacinamide →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 →Butylene Glycol
Fragrance, Humectant, Skin Conditioning, Solvent, Viscosity Controlling
Butane-1,3-diol (CAS No. 107-88-0/ EC No. 203-529-7) (R)-(-)-butane-1,3-diol” (CAS No. 6290-03-5/ EC No. 228-532-0)
Learn more about Butylene Glycol →Silica
Abrasive, Absorbent, Anticaking, Bulking, Opacifying, Viscosity Controlling
Silicon dioxide
Learn more about Silica →Titanium Dioxide
Colorant, Opacifying, UV Absorber, UV Filter
Titanium Dioxide is a mineral UV filter.
Learn more about Titanium Dioxide →Butyrospermum Parkii Butter
Skin Conditioning, Viscosity Controlling
Butyrospermum Parkii Butter isn't fungal acne safe.
Learn more about Butyrospermum Parkii Butter →Tin Oxide
Abrasive, Bulking, Opacifying, Viscosity Controlling
Tin dioxide (CI 77861)
Learn more about Tin Oxide →Potassium Hydroxide
Buffering
Potassium Hydroxide is the inorganic base
Learn more about Potassium Hydroxide →
Dupes
- CeraVe Skin Renewing Brightening Lotion with SPF 3064% match
- La Roche-Posay Toleriane Double Repair Matte Face Moisturizer SPF 30 for Oily Skin61% match