As a beauty writer and skincare aficionado, I’m always asked what the best product is for wrinkles — and my answer is always retinol (a.k.a. vitamin A).

The beauty ingredient is known for helping exfoliate skin and improve collagen production, which typically results in brighter skin and diminished fine lines and hyper pigmentation. Dermatologists previously told us that it can also slow down signs of aging, so you can target multiple issues without a million skincare products.

You don’t have to invest a lot in a quality retinol serum either — Amazon’s beauty store is filled with budget-friendly options, including Neutrogena’s Rapid Wrinkle Repair Retinol Face Serum , which is on sale for just $20 (our favorite formula for smoothing fine lines).

This Hydrating Serum Smoothed My

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