The Science of Melanin: What Determines Eyelash and Eyebrow Colour?
Discover how melanin defines darker eyelashes and eyebrows from UV protection to antioxidant defence and tinting science.
Before and After Opti Labs: The Mens Edit
We invited some male friends of Opti Labs to take part in a before and after shoot so we could learn more about their attitude towards lashes and lash growth. They were asked to use Opti Labs products daily for