Is Lab-Grown Hair the Next Frontier in Beauty—or Just Hype?

Lab-engineered and plant-based hair extensions are rapidly emerging as the beauty industry’s next major innovation—promising to deliver realism, sustainability, and safety in a space long dominated by human and petroleum-based synthetic hair. But the central question remains: does this new wave of bioengineered hair truly outperform what’s already on the market, or is it simply an expensive experiment still years from proving its worth?

Across the globe, several companies are racing to redefine what hair extensions can be. Ruka, a London-based beauty tech brand, developed its Synths 2 line, a collagen-infused lab-grown fiber designed to mimic the texture and responsiveness of human hair while maintaining hypoallergenic and biodegradable properties. Meanwhile, Aja Labs—through its Nourie™ fiber—has focused on creating plant-derived materials enhanced with scalp-nourishing compounds, claiming to blend biotechnology with wellness.

In North America, Rebundle and LAB by Lillian Augusta have taken a more eco-conscious approach, creating biodegradable braiding hair from banana stems and other renewable plant fibers to reduce the harmful effects of plastic-based synthetics. The Canerow Company has joined the movement as well, introducing lightweight, plant-based alternatives that promise less scalp irritation and a smaller environmental footprint.

The appeal of these products lies not just in innovation, but in addressing long-standing pain points: allergic reactions, chemical exposure, and the unsustainable sourcing of traditional extensions. Yet, as interest grows, the lack of standardized testing and limited consumer data raise valid concerns. Are these materials as durable, versatile, and cost-effective as manufacturers claim—or are they still in the early stages of development, waiting for widespread validation?