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Living Proof Perfect Hair Day Shampoo
In-store pricing snapshot
Based on recent checks across 12 Costco warehouses reporting.
* Prices shown are for Costco members only.
Living Proof Perfect Hair Day Shampoo is a luxurious, silicone-free shampoo formulated for dry, dull, or generally healthy hair. In a generous 24 fl oz jumbo size, it is powered by Living Proof's proprietary Sili-CLONE HairTech โ a breakthrough technology that mimics the slip and conditioning of silicone while making hair actually healthier over time, keeping it cleaner for longer without buildup.
With every wash, this shampoo delivers 72-hour lasting hydration and shine, leaving hair noticeably softer and more manageable from the first use. Its gentle formula is safe for the scalp and free from sulfates and silicones, making it suitable for daily use. The fragrance profile is crisp and juicy with notes of bergamot, green tea, and sheer musk. For best results, apply to wet hair, lather, rinse, and follow with Perfect Hair Day Conditioner. The bottle is made from 50% post-consumer recycled (PCR) materials.