Ingredient guide
Acetyl hyaluronic acid
INCI name · acetyl hyaluronic acid
In short
Acetyl hyaluronic acid is a modified form of hyaluronic acid that forms a longer‑lasting hydrating film on the skin. It helps skin stay moisturised for longer than standard HA. It is often blended with multiple HA weights for layered hydration.
Works forFrom reviewed ingredient data
Hydration · Barrier
Best used
Anytime
What it is
Distinct acetylated INCI with no ingredient-specific human receipt in MIRU. Evidence for hyaluronic acid or sodium hyaluronate is not transferred to this derivative.
Evidence receipt
No linked study yet
No verified study is linked to this exact ingredient and route. The guidance below describes conventional use; it is not evidence of efficacy.
Where it sits
A watery layer. After cleansing, before anything heavier, ideally on slightly damp skin.
- Cleanse
- Tone
- Acetyl hyaluronic acid
- Moisturise
- SPF
Also found as
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Common questions
What does acetyl hyaluronic acid do for skin?
It provides extended surface hydration by forming a more persistent moisture film, helping skin feel smoother and supple.
Who is acetyl hyaluronic acid for?
It works for most skin types, especially those wanting longer‑lasting hydration without heaviness.
How is acetyl hyaluronic acid used?
It appears in hydrating essences, serums, and lotions. It can be layered easily with other moisturising ingredients.
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Personal guidance, not medical advice.