{"product_id":"ouai-fine-hair-shampoo-32-oz-biotin-thickening-shampoo-for-fine-thin-hair-with-keratin-chia-seed-oil-sulfate-free-volume","title":"OUAI Fine Hair Shampoo — 32 oz Biotin Thickening Shampoo for Fine, Thin Hair with Keratin \u0026 Chia Seed Oil, Sulfate-Free Volume","description":"\u003cp\u003e\u003cstrong\u003eOUAI Fine Hair Shampoo is a salon-size, biotin-infused thickening shampoo that adds noticeable volume, strengthens strands with hydrolyzed keratin, and nourishes with chia seed oil without weighing hair down.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for fine or thinning hair, this 32 oz bottle delivers a gentle, sulfate-free cleanse that builds body and reduces breakage while keeping color and chemical treatments safe. The formula combines biotin to support resilience, hydrolyzed keratin to smooth and add shine, and chia seed oil for light moisture and fuller-looking texture. The scent profile—Mercer Street—blends Italian lemon, iris, and white musk for a salon-fresh finish.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this shampoo create lift without leaving residue?\u003c\/h3\u003e\n\u003cp\u003eThe lightweight formulation avoids heavy oils and silicones that flatten fine hair. Texture-enhancing ingredients deposit minimal weight at the root, so strands feel bouncy and moveable rather than stiff.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBiotin helps improve strand strength and reduces breakage that makes hair look thinner.\u003c\/li\u003e\n  \u003cli\u003eHydrolyzed keratin smooths cuticles for reflective shine without buildup.\u003c\/li\u003e\n  \u003cli\u003eChia seed oil provides lightweight nourishment, not heaviness.\u003c\/li\u003e\n  \u003cli\u003eSulfate-free surfactants cleanse gently to preserve natural body.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this shampoo work on color-treated or chemically processed hair?\u003c\/h3\u003e\n\u003cp\u003eYes—OUAI Fine Hair Shampoo is formulated to be safe for color, keratin, and chemically treated hair. It avoids harsh sulfates and parabens that can strip dye and compromise treatments, while supporting hair strength and surface health.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFree of sulfates, parabens, phthalates, and gluten.\u003c\/li\u003e\n  \u003cli\u003eGentle cleansing helps preserve color vibrancy longer.\u003c\/li\u003e\n  \u003cli\u003eSupports keratin-treated hair with smoothing proteins.\u003c\/li\u003e\n  \u003cli\u003ePair with OUAI Fine Conditioner to maintain volume and manageability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I use it for maximum thickening effect?\u003c\/h3\u003e\n\u003cp\u003eApply a palm-sized amount to wet hair, focusing on the roots, then work through to the ends and rinse thoroughly. For best results, follow with OUAI Fine Conditioner and, when desired, use OUAI Thickening Spray at the roots for extra lift.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMassage into scalp to stimulate and build root volume.\u003c\/li\u003e\n  \u003cli\u003eRinse well to avoid any potential residue.\u003c\/li\u003e\n  \u003cli\u003eUse regularly as part of a volume-focused routine.\u003c\/li\u003e\n  \u003cli\u003eCombine with complementary OUAI products for layered benefits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat sensory experience and scent can I expect?\u003c\/h3\u003e\n\u003cp\u003eBeyond functional benefits, the shampoo offers a refined fragrance experience—Mercer Street—with bright citrus top notes and soft floral-musky base notes. The texture feels smooth and makes hair easy to detangle after rinsing, leaving strands fresh and wearable.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTop notes of Italian lemon for a fresh opening.\u003c\/li\u003e\n  \u003cli\u003eIris adds subtle floral sophistication.\u003c\/li\u003e\n  \u003cli\u003eWhite musk provides a soft, long-lasting finish.\u003c\/li\u003e\n  \u003cli\u003e32 oz salon size reduces trips to reorder.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? OUAI Fine Hair Shampoo is for people with fine, limp, or thinning hair who want a salon-quality, everyday cleanser that builds body and strengthens strands without heaviness. It suits anyone seeking color-safe, sulfate-free care—especially those who use styling products or treatments and need a dependable volume base. The large 32 oz bottle is ideal for households, salon use, or anyone who prefers fewer refills and consistent performance.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is OUAI Fine Hair Shampoo safe for color-treated hair?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It’s sulfate- and paraben-free, formulated to cleanse gently while preserving color and chemical treatments.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I use this thickening shampoo?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Use it as your regular shampoo—daily or every washing—depending on your styling routine and scalp needs.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"OUAI","offers":[{"title":"Default Title","offer_id":49623873880202,"sku":"B0GTBNX18C","price":237.08,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/4825\/6394\/files\/ouai-fine-hair-shampoo-front-bottle.jpg?v=1782881834","url":"https:\/\/auviraskincare.com\/products\/ouai-fine-hair-shampoo-32-oz-biotin-thickening-shampoo-for-fine-thin-hair-with-keratin-chia-seed-oil-sulfate-free-volume","provider":"Auvira Beauty","version":"1.0","type":"link"}