TirTir SOS Serum Hydrating Face Serum, 1.69 fl. oz. for $18,75 + free shipping w/ Prime

This popular K brand anti aging serum is $18.75, down from its regular price of $25 on Amazon. You can checkout with subscribe and save to save another dollar. The formula includes polyglutamic acid, which the brand states holds more moisture than hyaluronic acid, along with witch hazel, chamomile, and a peptide ingredient aimed at supporting collagen production. Buy Now at Amazon

Features

Contains polyglutamic acid for moisture retention Formulated with witch hazel and chamomile Includes Acetyl Hexapeptide-8 to support collagen production Fragrance-free, vegan formula suitable for all skin types Non-sticky texture for daily AM and PM use 1.69 fl. oz. bottle