Excessive whitening, often known as the “whitening effect”, occurs between treatments that promise a significant change over a short period of time, for example, hours. Over-bleaching can give off a translucent and fragile appearance. [30]
Excessive whitening, often known as the “whitening effect”, occurs between treatments that promise a significant change over a short period of time, for example, hours. Over-bleaching can give off a translucent and fragile appearance. [30]
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