Keep the following tips in mind to make it work for you.
Always store them in cool, dark, and dry places.
Pat it in gently to avoid skin damage.
To avoid irritation, stick to one serum.
Apply serum after toner to help it penetrate your skin.
Bacteria can transfer and harm your skin.
Damp skin helps retain the serum’s efficacy.
Buy a serum that suits your skin type or skin problems.