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Our Lab Spent 400 Hours Testing Drugstore Hair Dyes to Find the Best
The article discusses the advancements in at-home hair color products over the last decade, emphasizing improvements in formulations, customization options, and post-treatment haircare. These advancements aim to provide professional-level results, offering a convenient and cost-effective alternative to salon visits. Good Housekeeping Institute's Beauty, Health & Sustainability Lab conducted extensive testing to identify the best products on the market. The testing process involved both laboratory evaluations and consumer feedback. In the lab, scientists dyed human hair samples of various shades (black, brown, red, and blonde) and assessed color vibrancy and gray coverage using technical instruments. They also measured color retention after repeated washing and exposure to UV light, simulating four weeks of wear. Additionally, 136 consumer testers evaluated products for ease of use, scent, application, and overall results, including hair feel, shine, and color accuracy compared to the packaging. The testing involved 400 hours of hands-on lab work, 800 hours of UVA light exposure for hair samples, and collected 2,712 consumer survey responses.
The article highlights several top-tested at-home hair color products across different categories. The 'Best Overall' was Phytocolor Permanent Hair Color, an ammonia-free formula with plant-derived pigments and oils, noted for rich, even, and long-lasting color, and leaving hair soft. Revlon ColorSilk with Bond Repair Complex Permanent Hair Dye was recognized as the 'Best Value' for its performance in various categories despite its low cost, praised for ease of use, minimal aroma, and leaving hair smooth and shiny. Vidal Sassoon Pro Series Permanent Hair Color was recommended as the 'Best for Redheads' due to its strong fade resistance and accurate color matching. ESalon Custom Hair Color Set earned 'Best Professional' for its personalized color formulations and accessories, though it showed average gray coverage and fade resistance. Clairol Natural Instincts Demi-Permanent Hair Color was chosen as 'Best Demi-Permanent' for its even coverage, shine, and fade resistance on dark hair, but performed less effectively on blonde hair for gray coverage.
Clairol Nice 'n Easy Permanent Haircolor was identified as the 'Best for Blondes' for its full coverage, natural look, and conditioning properties, despite average gray coverage. dpHUE Color Boosting GLOSS+ Deep Conditioning Treatment was selected as 'Best Semi-Permanent' for its fast-acting, color-enhancing, and conditioning effects, though it does not cover grays. Garnier Olia Oil-Powered Permanent Hair Color was recommended as 'Best for Damaged Hair' due to its ammonia-free, oil-powered formula that is gentle on treated or thinning hair. Moroccanoil Color Depositing Mask was noted as 'Best Temporary' for quick color changes and deep conditioning. Madison Reed Radiant Hair Color Kit was recognized as 'Best Personalized' for its custom shade matching and consultations, excelling in ease of use, non-messiness, non-irritating formula, and fade resistance among personalized dyes. L'Oréal Paris Excellence Creme Permanent Triple Care Hair Color was named 'Best to Cover Gray' for its effective gray coverage and non-messy application, providing lasting color according to consumer testers. Schwarzkopf Keratin Color Permanent Hair Color was highlighted as 'Best for Dark Hair' for its true-to-packaging color, superior gray coverage, and fade resistance in deep shades. Finally, Clairol Colorblend Permanent Root Touch-Up was recommended as the 'Best Root Touch-Up' for its ability to cover regrowth and blend seamlessly with existing color, while L'Oréal Paris Couleur Experte Color + Highlights in a Flash was chosen as 'Best for Highlights' for its specialized tools, and Lime Crime Unicorn Hair Full Coverage was selected as 'Best Bold' for its vibrant shades and ease of use, though some users noted it washed out quickly.
The article also provides a guide on what to look for in at-home hair color kits, including hair color, developer, instructions, gloves, applicators, and extras like color-protecting products and stain removers. It differentiates between permanent, demi-permanent, semi-permanent, and temporary hair dyes based on their chemical composition, longevity, and effectiveness for gray coverage. The experts from GH Beauty Lab confirm that high-quality at-home hair dyes can achieve results comparable to salon treatments for overall color and gray coverage, but recommend salon visits for intricate techniques like balayage or drastic color changes. Tips for extending the life of at-home hair color include reducing hair washing, using color-treated hair products, and applying at-home hair glosses or glazes. The article is authored by April Franzino, with expert consultation from Danusia Wnek and testing by Sabina Wizemann, all experienced professionals in beauty and chemistry.
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