Exfoliate gently 2–3 times per week with a chemical exfoliant like salicylic acid, glycolic acid, or lactic acid
Use a moisturizing body lotion daily, preferably with urea, ceramides, or alpha hydroxy acids
Shave with a sharp, clean razor
Shave after soaking skin in warm water
Use shaving gel or cream before shaving
Shave in the direction of hair growth
Avoid dry shaving
Replace razors regularly
Avoid over-exfoliating or scrubbing harshly
Try waxing or laser hair removal if shaving causes frequent bumps
Treat ingrown hairs with products containing salicylic acid or benzoyl peroxide
Keep skin hydrated by drinking enough water
Wear loose clothing to reduce friction
See a dermatologist if the bumps are painful, inflamed, or persistent