Best Sulfate-Free Hair Treatment Masks of 2026

BELLISSO Keratin Mask is a hair treatment mask that helps you achieve stronger, sleeker, and healthier hair. Its natural essences include Moroccan argan oil and jojoba for moisture and shine, as well as vitamin B and collagen for strength. The ultra-hydrating formula penetrates deeply to restore stressed-out hair to a healthy state. It also forms a protective coating around each strand of hair to guard against exposure to sun, air conditioning, and pollution. This sulfate-free, cruelty-free, and deeply hydrating hair moisturizer is perfect for daily use, giving life to dry, brittle hair and smoothing frizz and flyaways. Get the Hollywood hair you deserve with BELLISSO Keratin Mask.

The Eva NYC Hair Repair Mask is designed to bring dry, damaged hair back to life by strengthening and repairing it with a blend of moisturizing oils and proteins. If your hair feels rough or brittle, this mask helps restore smoothness and makes styling much easier. It's suitable for all hair types, whether your hair is thick, fine, curly, or straight, and works well even if your hair is color-treated or has keratin treatments. Plus, it’s simple to use—just apply on wet hair, leave it for a few minutes, and rinse for a quick, effective deep conditioning treatment.

Maui Moisture Heal & Hydrate Shea Butter Hair Mask & Leave-In Conditioner is a 2-in-1 coarse, curly hair care product that deeply quenches and nourishes dry, damaged hair to help repair and soften curls and mend split ends. The rich blend of this restorative vegan hydrating mask treatment contains 100% aloe vera as the first ingredient along with nourishing shea butter, coconut oil and macadamia oil. It is sulfate-free, silicone-free, paraben-free, and mineral oil-free, and contains no synthetic dyes.

The OUAI Treatment Masque is a hair mask that repairs hair and restores its health, leaving it smoother, softer, and stronger after just one use. It is suitable for all hair types and helps heal split ends while making hair more resistant to future damage. The product is made with good-for-you ingredients and is free from parabens and phthalates. OUAI offers luxury products at affordable prices, making it ideal for real people who want effortless routines.

The Arvazallia Hydrating Argan Oil Hair Mask is a professional salon treatment that repairs, restores, and strengthens weak, damaged, and overprocessed hair while promoting natural hair growth. It deeply conditions, detangles, hydrates, and revives dull and dry hair, improving its manageability, elasticity, and shine. The mask is specially formulated to enhance the texture, softness, manageability, and shine of all hair types, including permed, natural, and curly hair. It contains high-quality cosmetic grade argan oil rich in essential vitamins and nutrients. It is sulfate-free and paraben-free.

The SheaMoisture Intensive Hydration Hair Masque is a deep conditioning treatment for dry, damaged, or color-treated hair that needs intense hydration. This hair masque is made with certified organic Shea Butter, Honey, Mafura and Baobab Oils, and antioxidant-rich African Rock Fig to restore and lock in moisture. It fortifies follicles and smooths over-processed hair, making it stronger, healthier, and frizz-free. The product is ethically traded, sustainably produced, and cruelty-free, with no sulfates, parabens, phthalates, mineral oil, animal testing, or petrolatum. Apply generously on clean, wet hair, leave in for 5 minutes, and rinse thoroughly.

The California Naturals Hair Mask is designed to deeply nourish and restore dry, damaged hair. It contains shea butter, argan oil, and vitamin B5, which work together to hydrate and repair your strands, leaving your hair soft, shiny, and frizz-free. Made with over 98% natural ingredients, this mask avoids harsh chemicals like parabens, sulfates, phthalates, and silicones, making it a gentle choice for your hair. It also features a food-grade fragrance, ensuring that what touches your skin is safe and clean. This mask suits all hair types, so no matter your texture, you can enjoy healthier, revitalized hair.

The Karseell Hair Mask is designed to rejuvenate dry, damaged hair with its blend of collagen, argan oil, and natural herbs. This powerful formula deeply penetrates your hair, delivering intense hydration that leaves your locks smooth and shiny. It’s suitable for all hair types, including color-treated and chemically processed hair, making it a versatile choice for every family member. Plus, it's free from parabens and sulfates, ensuring that your hair is nourished without feeling weighed down, providing you with a light and healthy finish.

The L'Oreal Glossing Hair Mask is specially designed for color-treated hair, providing an at-home glossing experience with Glycolic Acid. This mask helps you achieve eight times smoother hair while delivering up to five days of intense shine, making your locks look vibrant and healthy. It works effectively to enhance the shine of dull, damaged hair by smoothing the fibers, which allows light to reflect beautifully. Scented with bergamot and peony, this hair mask not only nourishes your hair but also leaves it smelling delightful. For the best results, use it alongside the EverPure Glossing Shampoo and Conditioner.

This sulfate-free Argan Oil Hair Mask is a deep conditioner that repairs and strengthens weak, damaged, and over-processed hair. It moisturizes, protects, and smooths hair with a unique combination of natural oils, proteins, and amino acids. It is effective for all types of hair and contains natural ingredients such as Jojoba Oil, Argan Kernel Oil, Collagen Protein, and Hydrolyzed Keratin. It is cruelty-free and not tested on animals. With a 100% satisfaction guarantee, it ensures a healthy look for your hair.