
Dr.G
A retinal serum containing copper tripeptide-1 and niacinamide that targets signs of aging and improves skin texture. Formulated with stabilized retinal, peptides, and ceramides to deliver anti-aging benefits while supporting skin barrier health.
Humectant that attracts and retains moisture
Humectant and solvent that enhances hydration
Solvent and preservative booster
Lightweight silicone emollient and texture enhancer
+ 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 RTX Into Serum Peptishot by Dr.G include Glycerin (Humectant that attracts and retains moisture), Niacinamide (Vitamin B3) (brightening, pore-minimizing, barrier-support), Hydrolyzed Sea Sponge (Exfoliant and skin texture refining agent), Hydrogenated Lecithin (Emollient and skin barrier enhancer), Collagen Amino Acids (Hydrating and skin-conditioning humectant). 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 5,800+ K-beauty products to provide data-backed recommendations.
RTX Into Serum Peptishot is a Korean serum by Dr.G. 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 RTX Into Serum Peptishot are comedogenic ingredient ratings, oil content, and finish type. This serum contains 5 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.
RTX Into Serum Peptishot by Dr.G starts from $35.23 USD for 50ml. Seoul Sister Pro members compare prices across 6+ authorized retailers including Olive Young, Soko Glam, and YesStyle to find the best deal, with automatic price drop alerts.
RTX Into Serum Peptishot by Dr.G is available from authorized K-beauty retailers including Olive Young Global, Soko Glam, YesStyle, and Amazon. Prices start from $35.23 USD. Seoul Sister verifies retailer authenticity and tracks counterfeit indicators to help you buy genuine Korean skincare products.