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[ DemythSkin Verdict ]
Dr. Althea Gentle Vitamin C Serum
SerumBrightening
Efficacy
Strong
4.1 / 5.0
Safety
Safe
4.6 / 5.0
System Verdict
This is a well-balanced, genuinely gentle brightening serum with solid A Tier actives but only B+/A‑ efficacy because the vitamin C is a mild derivative at a likely moderate concentration. The formula smartly relies on S Tier 5% niacinamide and ~20% sea buckthorn fruit water for most of the pigment and tone-evening effect, with 3‑O‑ethyl ascorbic acid adding antioxidant support rather than behaving like a high-impact L‑ascorbic acid treatment; the low-irritation base, soothing allantoin, probiotic ferment, and minimal extra actives make this excellent for beginners and sensitive skin, but its overall fade-power on deep, established hyperpigmentation will be weaker than strong 10–20% L‑ascorbic acid serums at pH ~3.
Active Ingredients Detected
S Tier: Gold StandardsHigh Clinical Proof | Skin-Transformative
3-O-Ethyl Ascorbic Acid
A Tier: Good BasicsProven Results
WaterNiacinamideCaprylic/Capric TriglycerideAdenosineAllantoinBifida Ferment Filtrate
B Tier: Supporting IngredientsPromising Ingredients
Hippophae Rhamnoides Fruit WaterPropanediol1,2-HexanediolCamellia Sinensis Leaf WaterCastor Oil/Ipdi CopolymerAcrylates/C10-30 Alkyl Acrylate CrosspolymerTromethamineXanthan GumDisodium EDTAButylene GlycolCaprylyl Glycol
C Tier: Marketing IdolsHype | Limited or Weak Data
Melaleuca Alternifolia (Tea Tree) Leaf Extract
D Tier: Potential IrritantsBe Cautious
Ethylhexylglycerin
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DemythSkin is an independent ingredient analyzer. Scores are computed by a deterministic rubric from published clinical evidence — no brand pays for a score.