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Does removing body hair have any effect on the body?

Nov 28, 2025 Source: Cainiu Health
Dr. Liu Wenmin
Introduction
Physical hair removal methods such as shaving or tweezing may cause minor skin abrasions. If the tools are not thoroughly cleaned, bacteria can enter through these breaks in the skin and easily trigger folliculitis, presenting as localized redness, swelling, pain, or even pus formation. Chemical depilatory creams contain ingredients like mercaptoacetic acid, which may cause contact dermatitis in individuals with sensitive skin, accompanied by stinging, rashes, or blisters. Waxing involves strong pulling forces that may damage hair follicles.

Generally, hair removal may cause skin irritation, infection, or follicular damage, with specific effects varying depending on the method used and individual differences. If any abnormalities occur, prompt medical attention is recommended. Detailed analysis is as follows:

Physical hair removal methods such as shaving or tweezing may cause minor skin abrasions. If tools are not properly sanitized, bacteria can enter broken skin and easily trigger folliculitis, manifesting as localized redness, swelling, pain, or even pus formation. Hair removal creams contain ingredients like thioglycolic acid, which may lead to contact dermatitis in individuals with sensitive skin, accompanied by stinging, rashes, or blisters. Waxing involves strong pulling that may damage hair follicles, causing temporary skin sensitivity, redness, or a burning sensation.

If laser hair removal energy is improperly controlled, it may result in epidermal burns or pigmentary abnormalities, presenting as uneven skin tone or blistering. Repeated hair removal may also stimulate follicular keratinization, leading to rough skin resembling keratosis pilaris ("chicken skin"). Some individuals, due to unique body constitutions, may develop post-procedure hyperpigmentation, with higher risk particularly among those with darker skin tones.

Prior to hair removal, it is advisable to conduct a patch test on a small area of skin to assess tolerance. For 24 hours after hair removal, avoid hot baths and intense sun exposure. Applying an alcohol-free moisturizer can help soothe the skin. If persistent redness and swelling, purulent discharge, or significant pigment changes occur, discontinue hair removal immediately and seek medical treatment.

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