A synthetic buffering agent known as HEPES.
What it is
Hydroxyethylpiperazine ethane sulfonic acid, 4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid, is a synthetic buffer widely known in laboratories as HEPES. CosIng lists it as a buffering agent.
Where it is used
Found in serums, creams, toners and eye care products.
Limits of interpretation
The INCI list shows which ingredients are present, not how much of each. Above 1%, ingredients are listed in descending order of weight; below 1% the order is free.
The label does not show the concentration used or the final pH of the product.
Functions
- Buffering
- Stabilising the pH of an aqueous medium in a narrow range even if an acid or base is added. Altering and/or maintaining a cosmetic product's pH at the desired level.
EU regulation
This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.
Products with this ingredient (17)
- I Heart Revolution Bubble Tea Matcha Tea Bubble Sheet Mask · Revolution
- I Heart Revolution Bubble Tea Strawberry Milk Bubble Sheet Mask · Revolution
- Life plankton elixir · L'Oréal
- Intensive Moisturizing Lotion · Cerave
- Mixa Urea Cica Repair+ · Mixa
- Mixa Urea Cica Repair+ · Mixa
- L Oréal Paris True Match 2.N Vanilla Foundation · L'Oréal
- CeraVe · Test
- Masque visage en tissu pack multiple · Lacura skin
- Effaclar Ultra Concentrated Serum · La Roche-Posay
- Intensive Moisturizing Lotion · Cerave
- Lipikar Urea 10% Roughness Smoothing Lotion · La Roche-Posay