La Roche-Posay
Mela B3 Dark Spot Serum With Melasyl™ + NiacinamideA serum built around Niacinamide and Hyaluronic acid, for barrier repair and hydration.
A serum built around Niacinamide and Ceramide, for barrier repair and hydration.
Brand price
USD 60.99 · checked 25 Sept 2026 · brand's site
Brand price
Not recorded · brand's site
At a Glance
They come out differently on Fragrance-free and Cruelty-free; those rows are shaded. Tap any answer to see why.
Key Ingredients
Hyaluronic acid1
Hyaluronic acid and its salts; a humectant that binds water to the skin.
Fatty alcohol1
Waxy fatty alcohols used as emollients and thickeners; unrelated to drying alcohol.
Ceramide3
Skin-identical lipids that hold the barrier together.
Benefits
Hydrating7
Boosts hydration and relieves dry, tight skin.
Caprylic/Capric Triglyceride, Dimethicone, Dipotassium Glycyrrhizate, Glycerin, Propylene Glycol, Sodium Hyaluronate, Tocopherol
Barrier Repair9
Strengthens and restores the skin's natural barrier.
Bis-Peg/Ppg-16/16 Peg/Ppg-16/16 Dimethicone, Caprylic/Capric Triglyceride, Caprylyl Glycol, Dimethicone, Glycerin, Niacinamide, Octyldodecanol, Propylene Glycol, Tocopherol
Hydrating12
Boosts hydration and relieves dry, tight skin.
Caprylic/Capric Triglyceride, Ceramide AP, Ceramide EOP, Ceramide NP, Dimethicone, Glycerin, Jojoba Esters, Panthenol, Polyglycerin-3, Propanediol, Sodium Hyaluronate, Tocopherol
Barrier Repair19
Strengthens and restores the skin's natural barrier.
Caprylic/Capric Triglyceride, Caprylyl Glycol, Ceramide AP, Ceramide EOP, Ceramide NP, Cetearyl Alcohol, Cholesterol, Dimethicone, Glycerin, Glyceryl Stearate, Helianthus Annuus Seed Cera, Isopropyl Isostearate, Jojoba Esters, Niacinamide, Panthenol, Phytosphingosine, Tocopherol, Tridecane, Undecane
Concerns
May Worsen Seborrheic Dermatitis3
May feed the yeast involved in seborrheic dermatitis.
Octyldodecanol, PEG-20 Methyl Glucose Sesquistearate, Retinyl Palmitate
May Worsen Keratosis Pilaris2
May clog follicles or strip skin prone to keratosis pilaris.
May Worsen Irritation3
May cause stinging, redness or sensitivity.
May Trigger Acne3
Can clog pores or trigger breakouts.
May Worsen Seborrheic Dermatitis16
May feed the yeast involved in seborrheic dermatitis.
Acetyl Dipeptide-1 Cetyl Ester, Behentrimonium Methosulfate, Ceramide AP, Ceramide EOP, Ceramide NP, Cetearyl Alcohol, Cocamide Mipa, Disodium Stearoyl Glutamate, Glyceryl Stearate, Helianthus Annuus Seed Cera, Isopropyl Isostearate, Jojoba Esters, Phytosphingosine, Polyglyceryl-3 Methylglucose Distearate, Sodium Lauroyl Lactylate, Sodium Stearoyl Glutamate
May Worsen Keratosis Pilaris3
May clog follicles or strip skin prone to keratosis pilaris.
Ingredients Side-by-side
Niacinamide (in both products)
Smoothing
0 / —
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
Cystoseira Tamariscifolia Extract
Skin Conditioning
Skin Conditioning
Niacinamide (in both products)
Smoothing
0 / —
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
Emollient
5 / 0
- Esters listed as pore-clogging in animal testing only
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Trigger Acne
- May Worsen Keratosis Pilaris
- May Worsen Seborrheic Dermatitis
Emollient
Skin Conditioning
- Ceramide
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- Barrier Repair
- Hydrating
- May Worsen Seborrheic Dermatitis
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Aqua
Solvent
Dimethicone
Antifoaming, Skin Conditioning, Emollient, Skin Protecting
Dimethicone is a silicone.
Learn more about Dimethicone →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 →Silica
Abrasive, Absorbent, Anticaking, Bulking, Opacifying, Viscosity Controlling
Silicon dioxide
Learn more about Silica →Sodium Hyaluronate
Humectant, Skin Conditioning
Sodium Hyaluronate is a hyaluronic acid.
Learn more about Sodium Hyaluronate →Ammonium Polyacryloyldimethyl Taurate
Emulsion Stabilising, Viscosity Controlling
1-Propanesulfonic acid, 2-methyl-2-[(1-oxo-2-propenyl)amino]-, monoammonium salt, homopolymer
Learn more about Ammonium Polyacryloyldimethyl Taurate →Caprylic/Capric Triglyceride
Fragrance, Perfuming, Occlusive, Solvent
Caprylic/Capric Triglyceride is the mixed triester of glycerin and caprylic and capric acids.
Learn more about Caprylic/Capric Triglyceride →Capryloyl Salicylic Acid
Skin Conditioning
Benzoic acid, 2-octanoyloxy-
Learn more about Capryloyl Salicylic Acid →Caprylyl Glycol
Deodorant, Hair Conditioning, Skin Conditioning, Emollient
Caprylyl Glycol is the diol that conforms to the formula
Learn more about Caprylyl Glycol →
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