Compare Products: Mela B3 Serum vs Ascorbyl Glucoside Solution 12%

La Roche Posay

Mela B3 Serum

Premium10%
$45 / 30ml — $1.50/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
The Ordinary
  • Vitamin C beginners who want a low-irritation starting point
  • Sensitive skin types who cannot tolerate L-ascorbic acid
  • Those who want a stable vitamin C that will not oxidize in the bottle
  • Budget-conscious shoppers seeking a no-frills vitamin C serum
  • Users who prefer ultra-minimalist ingredient lists

Key Ingredients

La Roche Posay

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

The Ordinary

12% Ascorbyl Glucoside

Product Composition

28% similarity (11 ingredients in common)

Shared Ingredients
aqua/water/eaupolysilicone-11bis-peg/ppg-16/16 peg/ppg-16/16 dimethiconesodium hyaluronatesodium hydroxidesodium thiosulfateammonium polyacryloyldimethyl tauratecaprylyl glycoltrisodium ethylenediamine disuccinatexanthan gumci 17200/red 33
Only in La Roche Posay (21)
dimethiconeniacinamideglycerinpropylene glycolsilicacystoseira tamariscifolia extract2-mercaptonicotinoyl glycinepeg-20 methyl glucose sesquistearatecarnosinepoloxamer 338dipotassium glycyrrhizatecaprylic/capric triglyceridecapryloyl salicylic acidcitric acidpentylene glycoloctyldodecanolretinyl palmitatetocopherolpentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamatephenoxyethanolparfum/fragrance
Only in The Ordinary (7)
ascorbyl glucosidepropanediolaminomethyl propanoltriethanolamineisoceteth-20ethoxydiglycol2-hexanediol

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.

The Ordinary
Beginner-friendly and non-irritating

The most common positive feedback is that this product causes no irritation. Users with sensitive skin, rosacea-prone skin, and vitamin C beginners praise its gentleness.

Slow but steady brightening

Users who use it consistently for 8+ weeks report gradual brightening and more even skin tone. Results are subtle rather than dramatic.

Some find it too mild

Users coming from L-ascorbic acid serums or expecting fast results find the effects underwhelming. Several reviewers switched to more potent vitamin C products.

Great texture for layering

The thin, watery texture layers well under other products. No stickiness, pilling, or interference with subsequent skincare or makeup steps.

Which Should You Buy?

The Ordinary Ascorbyl Glucoside Solution 12% 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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