The best advice for great skin is very very simple. It's based on continuity of product, consistency of regular twice daily routines, hydration/spf50 daily, thorough yet gentle skin hygiene, hand washing and scrubbing nails often. Swapping products every week will not gain performance/results. Creams/actives require minimum 4-6 weeks , serums can be 3+ months.
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Simply Clean Cleanser For Rough Skin