Acetyl Heptapeptide-4 ek synthetic peptide hai jo cosmetic products mein use hota hai. Iska kaam expression lines ko kam dikhane mein madad karta hai kyunki yeh neuromuscular signaling ko synapse par affect karta hai. Basically, jab aap facial expressions banate ho tab jo lines ban jaati hain, yeh ingredient unhe reduce karne mein help karta hai.