Compare Products: Mela B3 Serum vs Vitamin C Suspension 23% + HA Spheres 2%

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
  • Experienced vitamin C users who want maximum potency at minimum cost
  • Those who have built tolerance to lower vitamin C concentrations
  • Users willing to work with a challenging texture for strong active delivery
  • Budget-conscious shoppers seeking L-ascorbic acid at 23%
  • People who use vitamin C as a nighttime treatment

Key Ingredients

La Roche Posay

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

The Ordinary

23% L-Ascorbic Acid, 2% Sodium Hyaluronate (HA Spheres), Squalane

Product Composition

16% similarity (7 ingredients in common)

Shared Ingredients
propylene glycolsilicasodium hyaluronatesodium hydroxidesodium thiosulfatetrisodium ethylenediamine disuccinateci 17200/red 33
Only in La Roche Posay (25)
aqua/water/eaudimethiconeniacinamideglycerinpolysilicone-11bis-peg/ppg-16/16 peg/ppg-16/16 dimethiconecystoseira tamariscifolia extract2-mercaptonicotinoyl glycinepeg-20 methyl glucose sesquistearatecarnosinepoloxamer 338ammonium polyacryloyldimethyl tauratedipotassium glycyrrhizatecaprylic/capric triglyceridecapryloyl salicylic acidcaprylyl glycolcitric acidxanthan gumpentylene glycoloctyldodecanolretinyl palmitatetocopherolpentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamatephenoxyethanolparfum/fragrance
Only in The Ordinary (11)
squalaneisodecyl neopentanoateisononyl isononanoatecoconut alkanesethylhexyl palmitateglucomannancoco-caprylate/capratebutylene/ethylene/styrene copolymeracrylates/ethylhexyl acrylate crosspolymertrihydroxystearinbht

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
Intense stinging on first use

Nearly all first-time users report significant stinging and tingling. This subsides for most within 1-2 weeks of regular use as skin builds tolerance.

Pilling is a universal complaint

Layering anything over this product commonly causes pilling. Users have found that applying it as the last step at night or mixing with a drop of oil reduces this issue.

Effective brightening at unbeatable price

Users who tolerate the texture report visible brightening, improved tone, and reduced dark spots. The $8 price point makes it a cult favorite despite the application challenges.

Night-only use recommended by most

Due to texture and pilling issues, most users reserve this for nighttime use. It does not layer well under sunscreen or makeup.

Which Should You Buy?

The Ordinary Vitamin C Suspension 23% + HA Spheres 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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