
Cos De BAHA Hydroquinone Brightening Serum (HB) 30ml30ml
Cos De Baha

Q: What does the Tranexamic Acid in Cos De BAHA Tranexamic Acid 10 serum do?
A: It supports a more even-looking skin tone and helps address the appearance of dark spots and hyperpigmentation with regular use; the brand states a 10% concentration.
Q: Should I patch test Cos De BAHA Tranexamic Acid 10 serum before applying it to my face?
A: Yes, the brand explicitly recommends testing a small amount on the neck first to check for irritation before facial use, since this is a concentrated serum.
Q: How do I use Cos De BAHA Tranexamic Acid 10 serum in my routine?
A: Apply it to cleansed skin, follow with a moisturizer, and use a daytime sunscreen as part of your regular skincare routine.
Q: Is Cos De BAHA Tranexamic Acid 10 serum suitable if I'm prone to fungal acne or seborrhoeic dermatitis?
A: It contains emulsifiers such as Cetearyl Olivate and Cetearyl Alcohol, which some ingredient-analysis sources consider less suitable for fungal-acne-prone or seborrhoeic-dermatitis-prone skin, so review the full ingredient list before use.
Q: Can I use Cos De BAHA Tranexamic Acid 10 serum during pregnancy?
A: Consult a doctor before use if you are pregnant or breastfeeding, as specific pregnancy safety data for topical Tranexamic Acid is limited.
Q: Is Cos De BAHA Tranexamic Acid 10 serum fragrance-free?
A: Yes, it is marketed as fragrance-free, alcohol-free, and paraben-free.
Q: What other ingredients support the Tranexamic Acid in Cos De BAHA Tranexamic Acid 10 serum?
A: Centella Asiatica Extract, Niacinamide, Allantoin, and Panthenol help with soothing and tone support, while Glutathione and EGCG are included as antioxidants.
Disclaimer
The information provided is accurate to the best of our knowledge, but product packaging, ingredients, and specifications may change without notice. Please check the product packaging before use and consult the manufacturer or a relevant professional for any concerns or questions.