In a place other than your bathroom cabinet as they are best kept in an area without humidity. Mix it in with your moisturizer twice daily. Be warned, though, after seven days, the 10 percent pure vitamin c serum will begin to oxidize, so use it up! You need to know that a little vitamin c will cover a lot of skin area. Talk about a best-seller.
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Vitamin c facial lotion. In need of a little r&r on this monday? look no further than. If you are new to using vitamin c products, start with once a day and increase to twice a day after two weeks, if desired. The yellow discoloration means the vitamin c has oxidized and is no longer effective. The results of the study were published in the journal “dermatologic surgery” in 2005. This is disappointing that two companies in the above list would recruit users to give false reviews. It is produced in small quantities to maintain freshness and quality.
It was reported to have a faint scent. But vitamin c can be applied safely topically to the normal skin without any negative reactions. Smooth it on morning and night before your moisturizer to lock in vitamin c benefits for skin.