Are there any products I can't use alongside this routine?
- If your routine consists of retinol, ensure you are not using any BHA or AHA products as this will throw off the pH of the skin.
Why can't I use vitamin C and retinol together?
- Vitamin C and retinol counter their benefits when used together, lessening the results of both products.
Can I use retinol in the morning?
- No! Retinol is a photosensitive ingredient and may cause sun damage if applied in the day time while exposed to UV-rays.