Why some people may not feel pain during the treatment of glycolic acid , but some people may feel very painful?
The glycolic acid is irritating to the skin. The higher the Strength, the greater the irritation. Because everyone has different tolerance to glycolic acid , some people may not feel pain during the treatment, but some people may feel very painful. This is determined by the PH value of your skin.The normal human skin pH is about 5.0-7.0, but there are also some that exceed this range, up to 9.6. So you may feel less irritating when you use glycolic acid . People who usually need glycolic acid treatment, their skin's PH value is high.When using glycolic acid , no pain does not mean no effect. Continue to use for a period of time will be effective.Therefore, it is not correct for the customer to judge that the Strength of glycolic acid cream is not enough based on his/her skin does not feel or is not too irritating.
What's the difference between glycolic acid peel and glycolic acid cream at the same strength?
10%-70% of glycolic acid peel and glycolic acid cream are different. Glycolic acid peel and glycolic acid cream of the same strength cannot be compared, because their composition is different, the glycolic acid peel is the original liquid, and the glycolic acid cream is mixed with other ingredients, so the irritation of the glycolic acid cream is not as strong as that of the glycolic acid peel . The PH value of the glycolic acid peel is 2-2.5, and the PH value of the glycolic acid cream is 3-4, so the same strength of peel and cream, the PH value is different, the irritation is different,too. those famous brands of glycolic acid cream even if the strength is 20%, With a PH value of 3-4, its strength is not as strong as 20% peel. Because of the high pH value, the cream cannot reach the real strength of 20%.
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