Aminobutyric Acid (jise commonly Gamma-Aminobutyric Acid ya GABA kehte hain) ek amino acid hai jo skincare mein skin-conditioning aur humectant ke taur par use hota hai. Iska main kaam skin ko hydrated rakhna aur soft bananahai. Logon ka kehna hai ki isse fine lines kam dikhte hain aur skin ka surface relax hota hai, jisse wrinkles reduce hone ka feel aata hai. Topical formulations mein iska use aam hai.