BHA ka low pH kabhi-kabhi peptides ke saath theek se kaam nahi karta, especially agar formula sensitive ho
Agar dono dedicated serums use kar rahe ho toh ek AM mein aur ek PM mein apply karo, ya kum se kum 15-20 minutes ka gap rakho
Har kisi ka skin alag hota hai, toh pehle patch test kar lena zaroori hai. Agar combined routine try kar rahe ho toh gradually introduce karo aur dekhna ki skin irritation toh nahi ho rahi