Can I use Ultra Retinol or products that contain retinoids while using Acido Tranexamico? 03 September 2024 13:53 Updated There are no contraindications however we advise against using the two serums at the same time. Related articles What's the difference between Acido Tranexamico and Ultra Retinol? Can I use Acido Tranexamico in summer? Can I use products containing salicylic acid and retinoids while using Acido Shikimico? I have dark spots on my face, which should I choose, Acido Tranexamico or Wonder Roll serum? Can I use Acido Shikimico/Acido Lactobionico in the morning and Acido Tranexamico in the evening or vice versa?