Skincare must haves for dark marks and hyperpigmentation this is what has been working for me some new and some are staples , Products used:, @zooki liposomal glutathione , Glutathione and Tretinoin Together TikTok Can I use Niacinamide with Tretinoin? Procoal Using tretinoin or another retinoid on your neck? Watch this before your skin freaks out! , Comment below if youre using a retinoid in your routine and if you want to see a beginners guide to How to layer tretinoin with other skincare ingredients safely