Compare Products: Mela B3 Serum vs B3 Nice 10% Niacinamide Serum

La Roche Posay

Mela B3 Serum

Premium10%
$45 / 30ml — $1.50/ml
Sunday Riley

B3 Nice 10% Niacinamide Serum

Premium10%
$65 / 30ml — $2.17/ml

Who It's Designed For

La Roche Posay
  • Those with stubborn hyperpigmentation including sunspots, age spots, and post-acne marks
  • Users seeking dermatologist-backed, clinically tested brightening products
  • People who want an alternative mechanism to vitamin C or hydroquinone
  • All skin tones; formulated to work without affecting natural skin tone
  • Sensitive skin types who need gentle but effective brightening
Sunday Riley
  • Those seeking an antioxidant-rich niacinamide treatment
  • Users who want botanical anti-inflammatory ingredients alongside niacinamide
  • People addressing post-acne dark spots and uneven tone
  • Those who prefer prestige skincare with complex formulations
  • Users comfortable with light synthetic fragrance

Key Ingredients

La Roche Posay

Niacinamide (10%), Melasyl (2-Mercaptonicotinoyl Glycine), Sodium Hyaluronate, LHA (Capryloyl Salicylic Acid)

Sunday Riley

Niacinamide (10%), Brightenyl (Diglucosyl Gallic Acid), Trans-Resveratrol, EGCG (Green Tea), Centella Asiatica

Product Composition

17% similarity (9 ingredients in common)

Shared Ingredients
niacinamideglycerinammonium polyacryloyldimethyl tauratexanthan gumpentylene glycoloctyldodecanolphenoxyethanolci 17200/red 33parfum/fragrance
Only in La Roche Posay (23)
aqua/water/eaudimethiconepropylene glycolpolysilicone-11silicabis-peg/ppg-16/16 peg/ppg-16/16 dimethiconecystoseira tamariscifolia extract2-mercaptonicotinoyl glycinepeg-20 methyl glucose sesquistearatesodium hyaluronatesodium hydroxidesodium thiosulfatecarnosinepoloxamer 338dipotassium glycyrrhizatecaprylic/capric triglyceridecapryloyl salicylic acidcaprylyl glycolcitric acidtrisodium ethylenediamine disuccinateretinyl palmitatetocopherolpentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamate
Only in Sunday Riley (20)
water/eau/aquaphenyl trimethiconeresveratrolasiaticosidemadecassosideepigallocatechin gallatyl glucosideboswellia serrata resin extractcurcuma longa (turmeric) root extractaloe barbadensis flower extractsolanum melongena (eggplant) fruit extractbetainemelia azadirachta flower extractmelia azadirachta leaf extractpeg-8tetrahydrodiferuloylmethanepunica granatum fruit extractargania spinosa kernel oilethoxydiglycoltamarindus indica seed gumchlorphenesin

User Feedback Patterns

La Roche Posay
Effective for post-acne marks

Users frequently report fading of post-inflammatory hyperpigmentation from acne. Often noted as more effective than previous vitamin C serums.

Gentle on sensitive skin

Despite fragrance, many sensitive skin users report no irritation. Users with rosacea have noted tolerance.

Gradual results

Users report seeing changes over weeks to months. Not overnight results, but consistent improvement with regular use.

Texture praise

Lightweight serum absorbs quickly without greasiness. Layers well under sunscreen and makeup.

Mixed expectations

Some users with stubborn melasma or very dark spots report only modest improvement. Works better on newer or less severe pigmentation.

Sunday Riley
Texture and absorption

Users frequently praise the lightweight, watery texture that absorbs quickly without stickiness. Layers well under other products and makeup.

Brightening over time

Consistent reports of improved radiance and brighter complexion with regular use, though dark spot fading varies by individual.

Oil control

Oily skin users report reduced shine and less sebum production throughout the day.

Packaging concerns

Some users note the dropper packaging can cause product to dry and crust around the lid. Others have reported the product arriving discolored.

Price sensitivity

Mixed opinions on value. Some feel the botanical complex justifies the premium; others find it overpriced compared to budget niacinamide options.

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