 [ Symptoms ] what is the best time of day to exercise to lose weight specifically if i am walking on a treadmill [ Disease ] first a topical benzoyl peroxide wash can help prevent your skin cells from sticking together which can contribute to the formation of ingrown hairs second a topical retinol cream can help increase the turnover rate of your skin cells this sloughs away the overlying nonessential skin cells and normalizes the underlying skin cells to help prevent ingrown hairs