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Ingredient guide
gamma-aminobutyric acid
In short
GABA is a topical neurotransmitter analogue marketed for a subtle smoothing effect on expression lines. Evidence is still emerging, but it may help the skin look temporarily more relaxed.
Reviewed against published evidence · editorially independent · no brand pays for placement
Works for
Firmness · Texture
Skin type
Dry · Sensitive
Best used
Anytime
What it is
Neurotransmitter used topically as a mild muscle-relaxant analogue. Marketed for expression-line smoothing, with limited independent evidence.
Also found as
Related
Where to find it
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Common questions
It can create a mild, temporary softening of expression lines, giving the skin a more rested appearance.
It’s generally gentle and can suit sensitive types, though responses vary and patch testing is sensible.
It appears in serums and targeted treatments aimed at visible line-smoothing. Apply as part of a regular leave-on routine.
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Personal guidance only · For clinical concerns, see a dermatologist.