Compare Products: Mela B3 Serum vs Niacinamide Serum 12% Plus Zinc 2%

La Roche Posay

Mela B3 Serum

Premium10%
$45 / 30ml — $1.50/ml
Naturium

Niacinamide Serum 12% Plus Zinc 2%

Budget12%
$17 / 30ml — $0.57/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
Naturium
  • Oily and combination skin seeking sebum control
  • Uneven skin tone and dark spots
  • Fine lines and early signs of aging
  • Enlarged pores and textured skin
  • Those who want higher niacinamide concentration than standard 10%

Key Ingredients

La Roche Posay

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

Naturium

Niacinamide (12%), Zinc PCA (2%)

Product Composition

39% similarity (15 ingredients in common)

Shared Ingredients
aqua/water/eaudimethiconeniacinamideglycerinbis-peg/ppg-16/16 peg/ppg-16/16 dimethiconesodium hyaluronatesodium hydroxidesodium thiosulfatedipotassium glycyrrhizatecaprylyl glycolcitric acidtrisodium ethylenediamine disuccinatexanthan gumphenoxyethanolci 17200/red 33
Only in La Roche Posay (17)
propylene glycolpolysilicone-11silicacystoseira tamariscifolia extract2-mercaptonicotinoyl glycinepeg-20 methyl glucose sesquistearatecarnosinepoloxamer 338ammonium polyacryloyldimethyl tauratecaprylic/capric triglyceridecapryloyl salicylic acidpentylene glycoloctyldodecanolretinyl palmitatetocopherolpentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamateparfum/fragrance
Only in Naturium (6)
propanediolzinc pcapolyacrylate crosspolymer-11glyceryl polyacrylatetocopheryl acetatehexylene glycol

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.

Naturium
Higher quality than The Ordinary

Users who have tried both brands frequently note Naturium feels 'better quality' with faster absorption and less pilling, though acknowledging The Ordinary costs less.

Effective but requires patience

Most users report visible improvement in skin texture and oil control within 2-4 weeks, with more significant changes at the 6-8 week mark.

Minimal scent issue

Some users note a subtle odd scent, though it dissipates quickly after application. Generally not a dealbreaker.

Layers well

Consistent praise for how this serum absorbs and layers under other products without pilling or feeling heavy.

Which Should You Buy?

Naturium Niacinamide Serum 12% Plus Zinc 2% offers great value at a lower price point. La Roche Posay Mela B3 Serum may be worth the premium if you want Niacinamide (10%).

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