If you’ve been struggling with dark spots, post-acne marks, or uneven skin tone, you’ve probably heard of Tranexamic Acid. But how it works, at what concentration, and whether a formula contains enough of it to do anything... those are the questions worth asking.
What is Tranexamic Acid?
Tranexamic Acid, often written as 'TXA' is a synthetic amino acid originally used in medicine to reduce bleeding. Dermatologists discovered that it also interrupts the process that causes your skin to overproduce melanin. Melanin overproduction is the root cause of dark spots, hyperpigmentation, melasma, and post-inflammatory marks.
How does it actually work?
Your skin produces melanin in response to inflammation, UV exposure, and hormonal triggers. TXA works by blocking the interaction between keratinocytes and melanocytes - essentially cutting off the signal that tells your skin to produce excess pigment. It doesn’t bleach your skin. It addresses the process causing the discolouration in the first place.
Why concentration matters
Clinical research on topical TXA identifies the effective range as 2% to 5%. Below 2%, the evidence for meaningful results is weak. CLUUF Skin Step 3 RESET contains TXA at 5%, the ceiling of the clinically studied topical range. The percentage is listed clearly because transparency is part of how this brand was built.
Who is this for?
If your skin is dealing with any of the following, TXA at 5% is relevant to you: post-acne dark marks, melasma or hormonal pigmentation, uneven skin tone, sun-induced dark spots, or general dullness caused by melanin accumulation.
The full formula
TXA doesn’t work alone in the RESET Serum. It works alongside Urea at 10%, Snail Mucin at 12%, Centella Asiatica at 5%, and Tomato Hydrosol at 15%, each ingredient chosen to support the skin while the TXA does its job.
The serum was independently stability tested and is blockchain-verified. Every ingredient is listed with its concentration on our Ingredient Analysis page.
Step 3 - RESET is available at Limited stock. Shop here