protein gel

Common proteins include keratin and various hydrolyzed proteins (for example hydrolyzed silk or hydrolyzed vegetable/pea proteins). Other frequently listed ingredients are rice or rice-derived amino acids, quinoa or other plant proteins, and wheat or keratin amino acids; some formulas also include enzymes alongside those protein blends.

Protein gels span a wide range of hold strengths—from ultra-firm or rock-hard and extra-strong/extra-firm (sometimes labeled “level 8”) to strong but flexible holds. Finishes vary as well, from high-shine and dewy to soft, touchable, non-crunchy or non-flaking.

Many protein gels are formulated to smooth frizz, boost curl definition, and improve curl retention. They often offer humidity resistance and lasting hold so curls remain defined and touchable rather than crunchy.

Some protein gels list thermal protection for heat styling (one product mentions protection up to 500°F), and several include UV or color-protection ingredients to help guard hair color from sun-induced fading. Specific protections vary by product.

Typical instructions advise working the desired amount through wet or damp hair and scrunching; some formulas note they can also be used on dry hair. Many gels are suitable for air-drying or diffusing.

Sizes range from small consumer jars to larger salon bottles. Reported net weights include 6 fl oz, 6.8 fl oz, 8 fl oz, 8.3 fl oz, 8.5 fl oz, 8.8 fl oz, and 16 fl oz.