Topic 3 of 24
Body hair and scalp hair do different jobs and follow different rules. This section covers what grows where and why, how to groom without hurting yourself, and what sudden or patchy hair loss can mean.
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Yes, with a few precautions: a sharp clean blade, warm water, a shaving cream or gel rather than soap, shaving with the grain, and not going over the same spot twice. Most irritation and ingrown hairs come from technique, not from shaving itself.
Some shedding is normal — adults lose a small amount daily. Sudden heavy shedding, patchy bald patches, or loss with scalp scaling, itching, pain or scarring all need assessment, because the causes range from treatable and temporary to needing specific treatment.
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