What ingredient to not use when using The Ordinary Glycolic Acid Toner?

I disagree with the above as it depends on the skin - niacinamide doesn't xause any issues for most people. But why do you even need niacinamide if you have dry skin? I would avoid other exfoliating acids, retinoids, benzoyl peroxide, vitamin c in the same routine. Introduce both gradually 👌

It's alright to use both of those in the same routine. Here's a guide of ingredients that are fine to use together in a routine. I hope it helps ❣️

Oof, bought the same two products before. I would suggest not to use them together as they are both quite strong products. Also make sure you use soothing creams or serums after the glycolic acid treatment, that thing actually burns. Don’t forget sun protection in the morning The Niacinamide from my experience was also too strong which could cause drynesss. Try to apply it on wet face for better absorption or just in areas where you need it.