HAIR CARE
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Surface action & internal penetration for hair care
HEAT PROTECTION AND MOISTURE RETENTION
Dual functionality brings increased efficacy from keratin binding and cuticle penetration.
Some proteoglycan molecules are small enough to
move past the cuticle into the cortex. This penetration allows them to hydrate, strengthen, and repair hair from the inside by interacting with internal keratin.
Activated Silk Hydrogels work on both the surface and the inner structure, leading to immediate and long-term benefits.
• Stronger, More Resilient Hair: Reinforcing the cuticle and strengthening the cortex, hair becomes more resistant to breakage, frizz, and damage
• Hydration and Repair: Locking in moisture externally while improving internal hair health
• Longer-Lasting Effects: Binding to keratin, it remains on hair even after rinsing, extending benefits
Control Figure 3: Hair binding and penetration
that Hydrogels effectively adhere to hair, sealing keratin surfaces for smoothing, protection, repair, memory, and strengthening of the cuticle layer. Using confocal microscopy, researchers
confirmed that the Hydrogels not only coat hair shafts, but also penetrate up to 25 µm into the hair cortex. This penetration allows them to hydrate, strengthen, and repair hair from the inside by interacting with internal keratin. Hydrogels continue to bind to the hair,
even after six washes. These findings confirm that Hydrogels possess excellent hair binding
and penetration properties, providing both immediate and long term benefits.
3. Curl retention and styling power Hydrogels provide 20-hour curl retention to provide long-lasting styling without synthetic polymers, high-VOC aerosols, or microplastics. In curl retention tests, hair that was treated with Hydrogels before being curled ended up holding its shape significantly longer than water-treated hair, even when kept in chambers at 25°C with 75% relative humidity for 20 hours. This data highlights the potential of
Curl retention for hair care
Without synthetic polymers, high-VOC aerosols, or risk of microplastics* in the environment. WATER
HYDROGEL (1% SOLUTION)
Hydrogels as an alternative to traditional fixants, with performance improving at higher concentrations. With the ability to lock in curls, Hydrogels provide a naturally derived alternative to traditional styling polymers, helping brands formulate flexible hold solutions that do not sacrifice on performance.
4. Anti-Frizz Excellence Hydrogels provide 24 hour anti-frizz protection to prevent flyaway and frizz in humid environments. Frizz is one of the most persistent consumer frustrations, especially in
* In compliance with Regulation (EU) 2023/2055 amending Annex XVII to Regulation (EC) No 1907/2006 (REACH), Evolved By Nature can
attest microplastics are not intentionally added in the manufacture of Activated Silk™ Hydrogels.
Hydrogel HEAT PROTECTION AS METRIC OF MATERIAL DEGRADATION
T=0
T=20 hrs
T=0
T=20 hrs Figure 4: Curl retention over time at 25°C / 75% RH of bleached Caucasian straight hair treated with water and treated with Hydrogel 1% solution
www.personalcaremagazine.com September 2025 PERSONAL CARE
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