Ingredient guide
GABA
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.
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What it is
Neurotransmitter used topically as a mild muscle-relaxant analogue. Marketed for expression-line smoothing, with limited independent evidence.
Where it sits
Serums sit after toner and before moisturiser. Thinnest to thickest, water before oil.
- Cleanse
- Tone
- GABA
- Moisturise
- SPF
Also found as
Related
Where to find it
Options across the range, not a ranking. Run one through Lens and MIRU will tell you if it fits you.
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Common questions
What does GABA do for skin?
It can create a mild, temporary softening of expression lines, giving the skin a more rested appearance.
Is GABA suitable for sensitive skin?
It’s generally gentle and can suit sensitive types, though responses vary and patch testing is sensible.
How is GABA used in skincare?
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, not medical advice.