Notably, we see many product claims of pH balanced for skin.
In fact, like many other body care product claims this is misleading. Our Penang-based Australian Master Formulator, Dr. Mike Thair, examines the scientific facts:
Firstly, your skin produces what is known as an Acid Mantle. This is a slightly acidic secretion designed to protect. Basic chemistry tells us that if this is acidic, the most effective way to clean off accumulated oils, dirt, and germs, is by using an alkaline soap. Handmade natural cold process soaps usually have an alkaline pH between 9.0 and 10.0. This is ideal for the job. Many mass-produced soaps, many of which are SYNDETS (synthetic detergents), have pH values between 5.0 and 7.0 (acidic to neutral). So, they are not so ideal for body cleaning purposes. Therefore, you do not need to use soap that is pH balanced for the skin.
Secondly, the long-term use of soap on your body does not affect pH. The surface pH of human skin is around 5. Washing the skin with an alkaline soap will certainly increase the pH of the skin. But, it will return to a more acidic pH within a few hours. Scientific research suggests that long-term continuous use of alkaline soap does not affect this pH-maintaining mechanism (see Takagi, Y., Kaneda, K., Miyaki, M., Matsuo, K., Kawada, H. and Hosokawa, H., Skin Research and Technology. 2015 May; 21(2):144-8).
Let’s put our soap bars to the test
To demonstrate, let’s put the pH balanced theory to test. Check out our soap products. Make a purchase, and see for yourself. If you have any queries, please contact us. Remember, at Indochine Natural you can talk to the guys who make the products.
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Dr. Mike Thair
Co-founder & Chief Formulator
Indochine Natural Sdn Bhd