{"product_id":"cosrx-hyaluronic-acid-3-serum-hypoallergenic-daily-hydrator-for-sensitive-and-reactive-skin","title":"COSRX Hyaluronic Acid 3% Serum – Hypoallergenic Daily Hydrator for Sensitive and Reactive Skin","description":"\u003cdiv class=\"geo-product-body\"\u003e\n\u003csection class=\"geo-appeal\"\u003e\u003ch2\u003eWhy you'll love it\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eClinically meaningful 3% pure hyaluronic acid concentration delivers visible plumping and hydration\u003c\/li\u003e\n\u003cli\u003eFragrance-free, hypoallergenic formula is safe for sensitive and reactive skin types\u003c\/li\u003e\n\u003cli\u003eMulti-active complex combines hyaluronic acid, ceramides, and NMFs in one step\u003c\/li\u003e\n\u003cli\u003eClean beauty credentials — free from parabens, sulfates, phthalates, and animal testing\u003c\/li\u003e\n\u003cli\u003eTrusted K-beauty brand reputation with dermatologist-tested formulation\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\u003csection class=\"geo-usecases\"\u003e\u003ch2\u003ePerfect for\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDaily 2-3 drop application to face and neck for deep hydration\u003c\/li\u003e\n\u003cli\u003eLayering under moisturizer and sunscreen as a hydrating serum step\u003c\/li\u003e\n\u003cli\u003eTargeting fine lines and wrinkles with plumping hydration\u003c\/li\u003e\n\u003cli\u003eUnder-eye area treatment to address dryness and crepiness\u003c\/li\u003e\n\u003cli\u003eSkin barrier repair using ceramide and NMF complex\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\u003csection class=\"geo-original\"\u003e\u003cdiv style=\"margin-bottom: 20px;\"\u003e\u003cimg src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/e29b9038-a33f-4df7-bccd-1920269a852f.__CR0,0,1464,600_PT0_SX1464_V1___.jpg\" style=\"width: 100%;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 20px;\"\u003e\u003cimg src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/164c8254-c32e-47bb-88f8-8874e42a5516.__CR0,0,1464,600_PT0_SX1464_V1___.jpg\" style=\"width: 100%;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 20px;\"\u003e\u003cimg src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/142ecc7f-a22f-4ebc-b640-0477c5ca176d.__CR0,0,1464,600_PT0_SX1464_V1___.jpg\" style=\"width: 100%;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 20px;\"\u003e\u003cimg src=\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/565837c8-acc8-47ba-b909-32c9cc83c1d8.__CR0,0,1464,600_PT0_SX1464_V1___.jpg\" style=\"width: 100%;\"\u003e\u003c\/div\u003e\n\u003cbr\u003e\u003cb\u003eProduct Information\u003c\/b\u003e\u003cbr\u003eThe Hyaluronic Acid 3% Serum: 3x Hydration. Composed of a specialized complex of Hyaluronic Acid, Ceramides, and Natural Moisturizing Factors, the serum locks hydration deep in your skin.\u003cbr\u003e\u003cbr\u003eKey Benefits: Based on real results from consumers' self assessments, the Hyaluronic 3 Serum replenishes hydration, visibly plumps the skin, and improves dryness.\u003cbr\u003e\u003cbr\u003eDermatological Ingredients: 3% Pure Hyaluronic Acid helps retain mositure and instantly plumps skin. Ceramide \u0026amp; NMF (Natural Moisturising Factors) strengthen the skin's barrier.\u003cbr\u003e\u003cbr\u003eHow to Use: Apply 2-3 drops to your face and neck once or twice daily. Can be applied under the eye area; avoid direct eye contact. *Perform a patch test on the body before using on the face.\u003cbr\u003e\u003cbr\u003eCOSRX Standards: COSRX Standards: All COSRX products are formulated with skin-friendly ingredients that alleviate irritated skin. Hypoallergenic, Dermatologist tested, Animal Testing-FREE, Parabens-FREE, Sulfates-FREE, Phthalates-FREE\u003cbr\u003eItems Details\u003cbr\u003eNumber of Items: 1\u003cbr\u003e\u003cbr\u003eFeatures \u0026amp; Specs\u003cbr\u003eSkin Type: All\u003cbr\u003eProduct Benefits: Rejuvenating\u003cbr\u003eTarget Use Body Part: Face\u003cbr\u003eScent Name: Unscented\u003cbr\u003eSpecial Ingredients: hyaluronic_acid\u003cbr\u003eItem Form: Drop\u003cbr\u003eSkin Tone: All\u003c\/section\u003e\u003csection class=\"geo-faq\"\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eIs this serum truly fragrance-free or just unscented with masking ingredients?\u003c\/h3\u003e\n\u003cp\u003eIt is genuinely free of artificial fragrance. COSRX formulates without added perfumes or masking scents, making it safe for users who react to fragrance or prefer clean-label skincare.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eIs the formula dermatologist-tested for sensitive and reactive skin?\u003c\/h3\u003e\n\u003cp\u003eYes. The serum is dermatologist-tested and hypoallergenic, designed specifically to minimize the risk of irritation for sensitive, allergy-prone, or post-treatment skin.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eDoes this serum contain any ingredients my allergist might flag?\u003c\/h3\u003e\n\u003cp\u003eThe formula is free from parabens, sulfates, phthalates, and artificial fragrance — common allergens of concern. It is also cruelty-free, with no animal testing at any stage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eIs this safe to use after laser treatments, chemical peels, or microneedling?\u003c\/h3\u003e\n\u003cp\u003eThe hypoallergenic, fragrance-free formula is gentle enough for post-treatment recovery, though you should always follow your dermatologist's specific aftercare instructions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eWill the ceramide and NMF complex cause any barrier disruption for eczema-prone skin?\u003c\/h3\u003e\n\u003cp\u003eNo. Ceramides and Natural Moisturizing Factors are the same building blocks found in healthy skin, so they help repair and reinforce the barrier rather than disrupt it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eIs this serum safe enough for my entire family to use?\u003c\/h3\u003e\n\u003cp\u003eWhile formulated for adult skincare routines, the gentle, hypoallergenic profile makes it suitable for users with sensitive skin across age groups. Consult a pediatrician for use on children.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eHow do I know this won't cause breakouts or clogged pores?\u003c\/h3\u003e\n\u003cp\u003eThe lightweight, non-comedogenic formula absorbs cleanly and is designed to hydrate without congesting pores, making it suitable for acne-prone and sensitive skin alike.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eIs this a safer daily alternative to harsher anti-aging treatments like retinol?\u003c\/h3\u003e\n\u003cp\u003eYes. Hyaluronic acid, ceramides, and NMFs are among the gentlest anti-aging actives available, offering plumping and barrier support without the irritation often associated with retinol.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eHow does this compare to a prescription-strength hydrating treatment?\u003c\/h3\u003e\n\u003cp\u003eIt delivers a clinically meaningful 3% pure hyaluronic acid concentration along with ceramides and NMFs, offering comparable hydration benefits through a gentler, over-the-counter formula.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eIs this safer than serums that contain essential oils or botanical extracts?\u003c\/h3\u003e\n\u003cp\u003eYes. Many essential oils and botanical extracts are known skin sensitizers. This serum is formulated without them, reducing the risk of irritation while still delivering powerful hydration.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eI'm worried about 'clean beauty' claims — is this really free from harsh additives?\u003c\/h3\u003e\n\u003cp\u003eYes. The serum is verified free from parabens, sulfates, phthalates, and artificial fragrance, with no animal testing — meeting strict clean beauty standards.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eWhat if my skin reacts — is there a satisfaction guarantee?\u003c\/h3\u003e\n\u003cp\u003eWhile return policies vary by retailer, the hypoallergenic, dermatologist-tested formula is specifically engineered to minimize the chance of adverse reactions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eIs it safe to use this serum around my eyes where skin is thinnest?\u003c\/h3\u003e\n\u003cp\u003eYes. The gentle, fragrance-free formula is suitable for the delicate under-eye area to address dryness, crepiness, and fine lines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eHow do I use COSRX Hyaluronic Acid 3% Serum in my skincare routine?\u003c\/h3\u003e\n\u003cp\u003eAfter cleansing and toning, apply 2-3 drops to damp skin on the face and neck. Gently press in until absorbed, then follow with moisturizer and sunscreen during the day or a night cream in the evening.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eCan I layer this serum with other active ingredients like retinol or vitamin C?\u003c\/h3\u003e\n\u003cp\u003eYes. The hyaluronic acid serum is gentle enough to layer with most actives. Apply it first on damp skin, then follow with vitamin C in the morning or retinol in the evening for enhanced results.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eHow long does a 20ml bottle typically last with daily use?\u003c\/h3\u003e\n\u003cp\u003eWith 2-3 drops applied twice daily, a 20ml bottle generally lasts 6-8 weeks, depending on how much you use per application.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eIs this serum compatible with all skin types, including oily and acne-prone skin?\u003c\/h3\u003e\n\u003cp\u003eYes. The lightweight, non-comedogenic, fragrance-free formula is suitable for dry, oily, combination, sensitive, and acne-prone skin types.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eCan I use this serum on my neck and under-eye area too?\u003c\/h3\u003e\n\u003cp\u003eAbsolutely. The gentle formulation is safe for the neck, décolletage, and under-eye area, where it helps address dryness, crepiness, and fine lines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eWhat's included in the box when I purchase this serum?\u003c\/h3\u003e\n\u003cp\u003eEach box contains one 20ml (0.67 fl. oz.) COSRX Pure Sodium Hyaluronic Acid 3% Serum in a dropper bottle, ready to use. No additional tools or accessories are required.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eAre there any side effects I should be aware of?\u003c\/h3\u003e\n\u003cp\u003eThe serum is hypoallergenic, dermatologist-tested, and free from common irritants. Side effects are rare, though anyone with known sensitivities should review the full ingredient list before use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eIs this product safe to use during pregnancy or while breastfeeding?\u003c\/h3\u003e\n\u003cp\u003eThe fragrance-free, hypoallergenic formula is generally considered safe during pregnancy and breastfeeding. However, you should always consult your healthcare provider before introducing new skincare products during this time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eHow is a hyaluronic acid serum different from a regular moisturizer?\u003c\/h3\u003e\n\u003cp\u003eA hyaluronic acid serum delivers concentrated hydration deep into the skin, while a moisturizer seals in moisture and provides surface-level nourishment. Layering both gives optimal hydration and barrier protection.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Knacklos","offers":[{"title":"Default","offer_id":43562297426010,"sku":"HOHB09ZYCVH8N","price":27.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/7969\/9034\/files\/3-pure-hyaluronic-acid-specialized-complex-1.jpg?v=1782559014","url":"https:\/\/knacklos.myshopify.com\/products\/cosrx-hyaluronic-acid-3-serum-hypoallergenic-daily-hydrator-for-sensitive-and-reactive-skin","provider":"Knacklos","version":"1.0","type":"link"}