Lemon (Citrus limon) extract ya juice skincare mein use hota hai kyunki ismein citric acid aur ascorbic acid hota hai. Ye mild exfoliation deta hai, antioxidant activity karti hai aur skin ko bright banati hai. Lekin iska high acidity aur photosensitizing properties ho sakte hain, isliye pure form mein direct use karna sensitive ho sakta hai.