There is no limit to the length of time you can use Proactiv. If you discontinue Proactiv, your blemishes are likely to return because the key causes of acne are hormonal and genetic. Teen acne lasts, on average, 5 to 7 years; adult acne can last 20-plus years. Does procaine get you high? novocaine recreational use.

Can you use expired acne medicine?

Lotions and Face Cream: throw away after 6 months to 1 year or when the color or scent begins to change. Anti-Aging or Anti-Acne Creams: throw away after 1 year, but if your cream contains benzoyl peroxide or some type of antioxidant, which only lasts up to 3 months.

Does expired skincare still work?

You sure can. In fact, according to Daily Vanity, by and large, using expired skincare shouldn’t be dangerous in any way. The only thing you might notice is that the product won’t be as fresh or as vibrant as it might otherwise have been.