Compare Products: Vitamin Illuminating Serum vs Deep Vita C Capsule Cream

Who It's Designed For

EQQUALBERRY
  • Those looking to address uneven skin tone and dark spots
  • Users who want vitamin C benefits without L-ascorbic acid irritation
  • Sensitive skin types seeking a fragrance-free brightening serum
  • People who prefer lightweight, non-sticky serum textures
  • Those interested in barrier support alongside brightening actives
  • K-beauty enthusiasts looking for a multi-functional serum
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

EQQUALBERRY

40% Acerola Fruit Water, 4% Niacinamide, 2% Arbutin, 5 types of Ceramides, 8 types of Hyaluronic Acid

Medicube

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

Product Composition

31% similarity (22 ingredients in common)

Shared Ingredients
malpighia glabra (acerola) fruit waterwaterbutylene glycolglycerinniacinamide12-hexanediolarbutinhydrogenated lecithincaprylic/capric triglyceridecetearyl alcoholpanthenoltocopherolcarbomerethylhexylglycerin2disodium edtasodium hyaluronatesodium carboxymethyl beta-glucanglyceryl stearatehydrolyzed hyaluronic acidhydrolyzed sodium hyaluronate
Only in EQQUALBERRY (23)
cetyl ethylhexanoatepentaerythrityl tetrabehenatediethoxyethyl succinatebetaineceramide nphydroxyethyl ureamelia azadirachta leaf extractsqualanemelia azadirachta flower extractcurcuma longa (turmeric) root extractbutyrospermum parkii (shea) buttertromethaminexanthan gumallantoin3-butanediolocimum sanctum leaf extractcorallina officinalis extractmalpighia glabra (acerola) fruit extracthyaluronic acidhydroxypropyltrimonium hyaluronatepotassium hyaluronaterubus fruticosus (blackberry) fruit extractvaccinium angustifolium (blueberry) fruit extract
Only in Medicube (25)
methylpropanediolpropanedioldipropylene glycolargininesorbitan olivateammonium acryloyldimethyltaurate/vp copolymerhelianthus annuus (sunflower) seed oilglycine soja (soybean) oilbixa orellana seed oilsimethiconefolic acidpyridoxinebiotincyanocobalaminthiamine hclbeta-caroteneriboflavinlinoleic acidpolyisobutenesorbitan isostearateadenosinefragrancegluconolactoneascorbyl propyl hyaluronatepentylene glycol

User Feedback Patterns

EQQUALBERRY
Lightweight, non-sticky texture

Users consistently praise the serum for being lightweight and non-sticky. Several reviewers specifically note it absorbs quickly, unlike typical vitamin C serums.

Visible brightening within weeks

Many users report improved skin tone and reduced dark spots within 2 to 4 weeks of consistent use. The brand cites an Intertek study showing 57.49% melanin area reduction in one week, though the full study methodology is not publicly available.

Small bottle size

At 30ml, several users note the bottle runs out quickly, especially with daily use on face, neck, and body as suggested by the brand.

Results vary by skin type

Some users report minimal visible change after several weeks. Most negative reviews cite underwhelming brightening results rather than irritation or breakouts.

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.

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