Ingredient glossary
THD Ascorbate
INCI: Tetrahexyldecyl Ascorbate · Also: Tetrahexyldecyl Ascorbic Acid
Solid and proven
Does THD Ascorbate clash with what you already use? Check it →A genuinely useful ingredient with real evidence behind it, not hype.
What it does
- brightening
- antioxidant
- anti aging
moderate evidenceIn vitro models and small clinical trials with thirty percent serum show meaningful melasma and tone improvement but the overall evidence base is still modest.
On a label: usually effective at 5-30%.
Who it's for, and who should skip it
Tends to suit
- normal
- combo
- oily
- dry
- pigmentation
- photoaged
Approach with care
- very sensitive
- Clogs poresLow
- Irritation riskLow
- pH-dependentIts effect depends on the product's pH
Plays well with
- niacinamide
- vitamin e
- ferulic acid
- sunscreens
This, for every label you own
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Educational information about a cosmetic ingredient, not medical advice.