
The Whoo
A luxurious anti-aging serum containing niacinamide, peptides, and traditional Korean herbal extracts (ginseng, licorice, angelica) to improve skin elasticity and radiance. Formulated with antioxidant-rich ingredients like astaxanthin and botanical oils to repair and energize mature or tired skin.
Humectant and solvent for ingredient delivery
Silicone that creates smooth texture and protective barrier
Film-forming agent and texture enhancer
Emollient and skin conditioning agent
+ 15 more ingredients
Editorial baseline from K-beauty clinical research and community consensus. Real subscriber reports layer on as the community grows.
The key active ingredients in Royal Regina Energetic Repair Serum by The Whoo include Niacinamide (Vitamin B3) (brightening, pore-minimizing, barrier-support), Glycerin (Humectant that attracts and retains moisture), Trehalose (Humectant and skin protectant), Japanese Cornel Cherry Extract (Antioxidant and anti-inflammatory botanical extract), Japanese Angelica Root Extract (Antioxidant and skin conditioning agent). Drawing on K-beauty research and community consensus, key ingredients show 82% effectiveness for acne in oily skin types. Seoul Sister tracks ingredient effectiveness across 5,900+ K-beauty products to provide data-backed recommendations.
Royal Regina Energetic Repair Serum is a Korean serum by The Whoo. 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 Royal Regina Energetic Repair Serum are comedogenic ingredient ratings, oil content, and finish type. This serum contains 13 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.
Royal Regina Energetic Repair Serum by The Whoo starts from $76.50 USD for [Original Product] 30ml. Seoul Sister tracks pricing at Olive Young, with price drop alerts for Pro members. Seoul Sister does not sell products — we compare retailer pricing so you can buy from the source.
Royal Regina Energetic Repair Serum by The Whoo is tracked at Olive Young. Prices start from $76.50 USD. Seoul Sister verifies retailer authenticity and tracks counterfeit indicators to help you buy genuine Korean skincare products. 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.