10 Best Straightening Shampoos 2025 in the United States

The Garnier Fructis Sleek & Shine Shampoo, Conditioner, and Anti-Frizz Serum set is designed specifically for dry, frizzy hair, making it a solid choice if you want smoother, shinier hair with reduced frizz. It contains keratin and sustainably sourced argan oil, which are known for moisturizing and strengthening hair while providing up to 72 hours of frizz control even in high humidity. This makes it effective for those struggling with persistent frizz. The formula is paraben-free, cruelty-free, vegan, and the bottles are made from recycled plastic, which is a plus if you care about eco-friendly products.

While it doesn’t explicitly mention heat protection, the presence of keratin and argan oil can help smooth hair, potentially reducing damage from styling tools. The shampoo and conditioner work best when used together, along with the serum, to achieve the sleekest results. The fragrance is generally pleasant but might be noticeable if you prefer fragrance-free products.

This set is well-suited for those with dry, frizzy hair looking for better manageability and shine. If strong heat protection or a sulfate-free shampoo is a priority, reviewing the ingredients list closely is recommended.

The L'Oreal Paris Elvive Dream Lengths Shampoo and Conditioner Kit offers a paraben-free formula designed to repair damage, add shine, and protect hair length without weighing it down. The inclusion of fine castor oil and vitamins B3 and B5 helps to strengthen hair and seal split ends, making it suitable for all hair types.

The product's moisturizing properties are notable, contributing to smoother, detangled hair with a shiny finish. However, it does not explicitly mention heat protection or being sulfate-free, which could be a consideration for those frequently using heat styling tools.

The sweet, floral, and fruity fragrance is appealing but may be strong for those sensitive to scents. With its comprehensive approach to long hair care, this product is ideal for individuals looking to maintain and enhance their hair's natural length and health without harsh chemicals like parabens. However, if heat protection and a sulfate-free formula are priorities, users may need to supplement this kit with additional products.

KERASTASE Smoothing Anti-Frizz Sulfate-Free Shampoo is designed for taming frizzy hair and is suitable for all hair types. One of its main strengths is the sulfate-free formula, which is gentler on hair and helps maintain moisture. The inclusion of Morpho-Keratin and Surface Perfectors in the shampoo is beneficial for smoothing and softening hair, making it easy to manage and detangle.

This is particularly useful for those with frizzy hair seeking a sleek look. The shampoo also boasts a pleasant floral scent, adding a delightful fragrance to the hair care routine. The recommended use alongside other products in the Discipline Collection for optimal results might imply additional costs for a complete hair care regimen.

While it is mentioned to be for all hair types, those with extremely oily or very dry hair might want to test the product first to ensure compatibility.