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I dont go a morning or night without it now.

As I enteredmy late twenties, I began to notice an increase in my dark spots and fine lines.

COSRX 6X Peptide Collagen Booster Toner Serum on blue gradient background

Photo:Real Simple

Right now, its on sale at Amazon for $19.

And it’s made with severaldermatologist-recommendedanti-aging ingredients, like niacinamide and hyaluronic acid.

My skinlooksclear andfeelssoft, so Im stocking up while its 24 percent off.

COSRX 6X Peptide Collagen Booster Toner Serum

Amazon

And thats just the beginning of the benefits.

Ive noticed fewer dry patches, red splotches, and dark spots around my face.

And a little goes a long way, too, so you only need a few pumps.

Amazon Prime Day COSRX Snail Mucin 96% Power Repairing Essence

Amazon

It also looks so glowy and glass-like that I cant quite believe itsmyskin.

Plus, check out more skincare products from the brand on sale at Amazon.

COSRX Pure Vitamin C 23% Serum with Vitamin E & Hyaluronic Acid

Amazon

COSRX Snail Mucin 92% Face Moisturizer

Amazon

Amazon COSRX Niacinamide 5% + Snail Mucin 74% Dual Essence, Anti aging Face Serum

Amazon

COSRX Vitamin E Vitalizing Face Sunscreen SPF 50

Amazon

A model wearing the Quince Mongolian Cashmere Tee on a green and blue gradient background

Assortment of items including a skillet, decorative lamp, tote bag, and textured material

Freie Liebe Store Straw Clutch Purse, HOTOUCH Womens Linen Button Down Shirt and Keds Women’s Triple Up Sneaker on an orange gradient background