Lignopure has developed a patented particle technology to process lignin, making it suitable for cosmetic applications and maximizing its functionality. Here, the German firm explains how its non-nano lignin powder ingredient can be used as a proven SPF booster in sunscreen formulations
ABSTRACT
Lignin is the second most abundant natural material on Earth after cellulose. The traditional lignin’s application is still petroleum exploration or bio-fuel production, and it remains underutilized. Lignopure has developed its own patented particle technology to process lignin, making it suitable for cosmetic applications and maximizing its functionality. Thus, LignoBase™ the first lignin-based ingredient line for cosmetic formulations was born; hereafter it is described as the non-nano lignin powder ingredient. Experimental results have proven that they can be used as an SPF booster in sunscreen formulations, increasing in vivo SPF by up to 81.29% or by 12.6 units.
Sunlight is electromagnetic radiation from the sun that reaches the Earth, the most invasive radiation in sunlight is ultraviolet (UV) light, including ultraviolet B (UVB: 290—320 nm) and ultraviolet A (UVA: 320—400 nm), which can induce photoageing and skin cancer.1,2 Although UVA in ambient light is much more abundant than UVB, UVB radiation is more energetic and can majorly penetrate up to 10% in the stratum basale, while UVA can reach the dermis.
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