Introduction
In a world where external stressors are intensifying (pollution, oxidative stress and UV exposure), preserving the natural balance of skin and hair has become essential.
Soline® Bio acts as a true protective shield, helping to reinforce the skin barrier while preserving the integrity of the hair fiber against daily environmental stressors.
Boosting key lipids for stronger skin
The integrity of the skin barrier relies heavily on its lipid composition, particularly ceramides. When this balance is disrupted, the skin becomes more prone to dehydration, sensitivity and external damage.
Soline® Bio (INCI: Helianthus Annuus (Sunflower) Seed Oil Unsaponifiables) is a liposoluble active concentrated from organic sunflower, rich in unsaponifiables obtained through molecular distillation.
In vitro studies demonstrate that Soline® Bio activates PPARα receptors and stimulates the synthesis of essential skin lipids, including various ceramides and cerebrosides (ceramide precursors), helping to actively reinforce the skin barrier.
Additionally, its soothing properties, linked to a reduction in inflammatory mediators, have also been demonstrated in vitro, with a decrease in interleukin levels. This makes it particularly relevant for sensitive or stressed skin.
These biological effects are supported by clinical data. Soline® Bio helps restore skin cohesion and significantly improves hydration, delivering both immediate (+48.6% after 1 hour) and long-lasting moisturizing benefits (+34.2% after 24 hours), as measured by corneometry.
From skin care to hair care: the skinification approach
In line with the growing “skinification” trend, Soline® Bio has recently extended its benefits beyond skin care into hair applications. Already recognized for its ability to strengthen the skin barrier, it’s now proven to help protect the hair fiber against environmental stress.
Ex vivo studies simulating a full summer (2 months) of exposure to UV, salt water, and repeated mechanical stress, demonstrate that Soline® Bio can:
- Seal the hair cuticle: -12.4%* (* p<0,05 vs damaged)
- Reduce breakage: -35%* (* p<0,05 vs placebo)
- Improve softness and detangling: -55%* on dry hair (*p<0,05 vs placebo)
- Enhance overall hair resilience
By protecting the cuticle and maintaining fiber integrity, it helps preserve hair strength and smoothness, translating skin care-inspired benefits into hair care formulations.
Its multifunctionality, hydrating, restructuring and protective, aligns with the growing demand for simplified yet high-performance formulations.
Sustainability and sourcing
Soline® Bio is derived from sunflower seeds sourced in France and obtained via molecular distillation, a solvent-free process that concentrates the most valuable lipid fractions.
Certified as 100% organic according to COSMOS standards, it meets the increasing demand for transparent, traceable and environmentally responsible ingredients.
Conclusion
As consumers increasingly prioritize skin health and resilience, active ingredients like Soline® Bio offer a compelling solution. By boosting key lipids, reinforcing the barrier and extending benefits to hair care, it enables the development of multifunctional products aligned with both performance and sustainability expectations.
Disclaimer:
The above paid-for content was produced by and posted on behalf of the Sponsor. Content provided is generated solely by the Sponsor or its affiliates, and it is the Sponsor’s responsibility for the accuracy, completeness and validity of all information included. Cosmetics & Toiletries takes steps to ensure that you will not confuse sponsored content with content produced by Cosmetics & Toiletries and governed by its editorial policy.
