-
- Main Ingredients
- Tromethamine (TRIS)
-
- Product Efficacy
- Pharmacopoeia-grade tromethamine buffers and adjusts pH, neutralizes carbomer to enhance thickening, facilitates solubilization and acid activation, gently controls odor, and helps loosen keratin plugs. Suitable for both cosmetic and pharmaceutical applications.
-
- Recommended Dosage
- Leave-on products: ≤ 2.0%; rinse-off products: ≤ 3.7%
-
- Formulation Recommendation
- Use as a 40% aqueous solution or add directly for neutralization. Restricted ingredient (No. 44, Restricted List, Safety and Technical Standards for Cosmetics, 2015). Avoid nitrosating systems; store in nitrite-free containers. Compatible with most preservatives, but raising pH weakens organic acid preservatives (e.g., sodium benzoate, caprylhydroxamic acid) that require pH < 5.5 for activity.
