
CKD
A firming serum with 71.73% hydrolyzed collagen extract and 10,000 ppb retinal to boost skin elasticity and reduce signs of aging. Contains peptides, ceramides, and multiple forms of hyaluronic acid for intensive hydration and anti-aging benefits.
Humectant and skin conditioning peptide
Humectant that attracts and retains moisture
Humectant and solvent that enhances hydration
Humectant and antimicrobial preservative booster
+ 15 more ingredients
Editorial baseline from K-beauty clinical research and community consensus. Real subscriber reports layer on as the community grows.

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The key active ingredients in Retino Collagen Low Molecular 300 Guasha Lifting Serum by CKD include Hydrolyzed Collagen Extract (Humectant and skin conditioning peptide), Glycerin (Humectant that attracts and retains moisture), Niacinamide (Vitamin B3) (brightening, pore-minimizing, barrier-support), Xylitylglucoside (Humectant and skin moisturizing agent), Irish Moss Extract (Hydrating and skin-conditioning seaweed extract). Drawing on K-beauty research and community consensus, key ingredients show 86% effectiveness for dehydration in dry skin types. Seoul Sister tracks ingredient effectiveness across 5,900+ K-beauty products to provide data-backed recommendations.
Retino Collagen Low Molecular 300 Guasha Lifting Serum is a Korean serum by CKD. Sensitive skin compatibility depends on individual triggers and allergies. Seoul Sister's AI advisor Yuri analyzes all 20 ingredients against your specific skin type, concerns, and known allergens to provide a personalized compatibility score. Common irritant ingredients like fragrance, alcohol denat, and essential oils are flagged automatically.
For oily skin, the key factors in evaluating Retino Collagen Low Molecular 300 Guasha Lifting Serum are comedogenic ingredient ratings, oil content, and finish type. This serum contains 12 active ingredients. Seoul Sister's database cross-references each ingredient's comedogenic rating (0-5 scale) against your skin type to identify potential pore-clogging risks. Subscribe for a personalized oily skin compatibility analysis.
Retino Collagen Low Molecular 300 Guasha Lifting Serum by CKD is sold through authorized retailers and the brand itself. Buy from an authorized retailer or the brand's own site rather than an open marketplace. Olive Young Global ships to most countries but no longer ships to the US. Seoul Sister tracks counterfeit indicators to help you buy genuine Korean skincare. We are an advice platform and never sell products ourselves.
That $11 Korean cleanser outperforming your $38 one is not hiding anything. The low price comes from how the Korean beauty industry is built, not from what is in the bottle. With one geographic catch.
Sulwhasoo First Care Serum is a $90+ luxury product, which makes it one of the most counterfeited items in K-beauty. Here are five verifiable checks (from packaging weight to barcode origin) to confirm your bottle is real before it touches your face.