Published literature mein dekha gaya hai ki L-ascorbic acid ka low pH sab peptide formulations ke saath perfect match nahi hota, kuch react kar sakte hain.
Agar alag-alag serums use kar rahe ho to different times of day mein lagana accha hai, jaise ek AM mein aur dusra PM mein.
General precaution: combined routines pe pehle patch test zaroor kar lena, especially gaon ya humid areas mein jahan formula stability affected ho sakti hai heat se.