Exfolie Serum Use a foaming face wash, which may contain tea tree oil, mild amount of alpha hydroxyl acids, or mild salicylic acid. times a day face wash may be required to remove the dirt and grease. “When the skin ages, less oxygen and nutrients are being delivered to it. Exfolie Serum Reviews For example, by the time you reach 75 years old, you have about 50% fewer blood vessels in your face. Sunscreens may come in the form of creams, gels or lotions; their SPF number indicates their effectiveness in protecting the skin from the sun's radiation.