CosRx, a prominent name in K-beauty, has maintained a loyal following with its science-backed formulations and effective, affordable products. Charlotte Cho, co-founder of Soko Glam and a licensed esthetician, notes that CosRx was a fundamental brand during the initial K-beauty wave. Cho introduced some of the brand's popular snail mucin products to consumers in 2016, fostering ongoing appreciation for the brand's accessible skincare solutions.

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In anticipation of Prime Day, Cho, along with Dr. Hwang Wonuk, a cosmetic physician in Seoul, recommends several standout CosRx products that will see discounts during the event. Here’s a guide to some essential offerings from CosRx:

1. **CosRx Advanced Snail 92 All in One Cream** ($15, originally $26): This moisturizer features snail secretion filtrate combined with hydrating ingredients like hyaluronic acid and allantoin. Cho praises its lightweight, nonsticky texture that delivers a plumping effect and soothes compromised skin.

2. **CosRx The Niacinamide 15 Serum** ($16, originally $25): Suitable for oily and acne-prone skin, this serum helps balance sebum levels while reducing redness. The lightweight formula contains 15% niacinamide, zinc PCA, and allantoin for effective oil control.

3. **CosRx The Peptide Collagen Hydrogel Eye Patch** ($15, originally $23): Designed to refresh and brighten the under-eye area, these eye patches contain caffeine, hyaluronic acid, and peptides. They help reduce puffiness and improve skin elasticity.

4. **CosRx Low pH Good Morning Gel Cleanser** ($10, originally $14): Recommended for all skin types, this gentle cleanser uses tea tree oil and beta-hydroxy acid to manage acne while maintaining a healthy skin barrier.

5. **CosRx Advanced Snail 96 Mucin Power Essence** ($15, originally $25): Known for its hydrating and repairing properties, this essence includes snail mucin and is ideal for adding bounce and moisture to the skin.

6. **CosRx The Hyaluronic Acid 3 Serum** ($16, originally $25): This serum delivers deep hydration, making it an excellent option for dry skin types, particularly in winter or after retinol use.

7. **CosRx The Alpha-Arbutin 2 Discoloration Care Serum** ($16, originally $25): This formula focuses on brightening uneven skin tone and addressing hyperpigmentation with potent ingredients including alpha-arbutin and niacinamide.

8. **CosRx Propolis Light Cream** ($15, originally $25): A lightweight cream that deeply hydrates using honey and propolis extracts, suitable for those looking for nourishment without a heavy finish.

9. **CosRx The Retinol 0.5 Oil** ($16, originally $25): This face oil combines retinol with hydrating squalane, making it a gentle option for dry skin and retinol beginners.

10. **CosRx The 6 Peptide Skin Booster Serum** ($15, originally $20): This affordable serum promotes collagen synthesis and enhances skin elasticity with its blend of six types of peptides.

11. **CosRx BHA Blackhead Power Liquid Treatment** ($16, originally $25): A gentle chemical exfoliant containing a 4% concentration of beta salicylate, effective for clearing pores and improving skin texture.

12. **CosRx Advanced Snail Mucin Glass Glow Hydrogel Mask** ($15, originally $20): This hydrogel mask delivers intense hydration with snail mucin and is noted for its soothing effects, particularly after procedures or long flights.

CosRx has been highly effective in delivering results while maintaining affordable price points, making it a trusted brand in K-beauty, even before its rise on platforms like TikTok. For those interested in K-beauty during the Prime Day sales, CosRx presents a range of products that appeal to various skin concerns.