How to bleach your knee (Guide)
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Beauty | 3.2MB
Description
The skin over the elbows and knees are particularly elastic and resilient. You will notice that the pigmentation is more apparent when your joints are extended and the skin overlying the joints is contracted and redundant. The pigmentation is a reflection of the type of skin around the joints and the fact that there is constant friction between these thickened areas and the environment.
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