Don't wear makeup for the rest of the day. After microchanneling, wait 24 hours.Skip workouts, saunas, hot tubs, and very hot showers for 24 to 48 hours.Use a gentle cleanser and moisturizer, and hold off on retinoids, acids, and scrubs for 3 to 5 days.Wear SPF 30 or higher every day, and stay out of direct sun as much as you can.Don't pick at any flaking or breakouts. Drink plenty of water.