Compare Products: Mela B3 Serum vs Deep Vita C Capsule Cream

La Roche Posay

Mela B3 Serum

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

Deep Vita C Capsule Cream

Mid-range
$29 / 55ml — $0.53/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
Medicube
  • Those seeking a vitamin C cream with interactive capsule texture
  • Users who want multiple brightening actives in one product
  • People looking for sea buckthorn-based hydration
  • Those who enjoy K-beauty innovation in texture
  • Users targeting dark spots and uneven tone

Key Ingredients

La Roche Posay

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

Medicube

50% Sea Buckthorn Water, 5% Niacinamide, Pure Vitamin C (Sodium Ascorbyl Phosphate), Ferulic Acid, 5 Vitamin C Derivatives

Product Composition

26% similarity (17 ingredients in common)

Shared Ingredients
aqua/water/eauniacinamideglycerinpropylene glycolpolysilicone-11bis-peg/ppg-16/16 peg/ppg-16/16 dimethicone2-mercaptonicotinoyl glycinesodium hyaluronatesodium hydroxidesodium thiosulfateammonium polyacryloyldimethyl tauratecaprylic/capric triglyceridetrisodium ethylenediamine disuccinatepentylene glycoltocopherolci 17200/red 33parfum/fragrance
Only in La Roche Posay (15)
dimethiconesilicacystoseira tamariscifolia extractpeg-20 methyl glucose sesquistearatecarnosinepoloxamer 338dipotassium glycyrrhizatecapryloyl salicylic acidcaprylyl glycolcitric acidxanthan gumoctyldodecanolretinyl palmitatepentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamatephenoxyethanol
Only in Medicube (34)
hippophae rhamnoides waterbutylene glycol2-hexanediolmethylpropanediolpropanediolglycereth-26ethylhexyl palmitatecetearyl alcoholargininecetearyl olivatesorbitan olivatehelianthus annuus (sunflower) seed oilbixa orellana seed oilpolyglyceryl-10 lauratesimethiconecarbomerpolyglyceryl-10 stearatepanthenolpyridoxinebiotincyanocobalaminthiamine hclbeta-caroteneriboflavinpolyacrylate-13polyisobutenepolysorbate 20sorbitan isostearateadenosineglyceryl stearatehydrolyzed sclerotium gumgluconolactoneascorbyl propyl hyaluronatealpha-arbutin

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.

Medicube
Brightening glow effect

Users report an immediate brightening and glowing effect after application. The sea buckthorn base contributes to a warm, luminous finish.

Fun capsule experience

Like the collagen capsule cream, users enjoy the interactive texture of bursting the vitamin capsules.

Gradual dark spot improvement

Long-term users note gradual fading of dark spots over 4 to 8 weeks of consistent use.

Which Should You Buy?

Medicube Deep Vita C Capsule Cream offers great value at a lower price point. La Roche Posay Mela B3 Serum may be worth the premium if you want Niacinamide (10%).

View Full Product Details

Related Comparisons