Kahina Brightening Serum is an Amanda Hearst "Feel-Good Beauty" pick in Marie Claire.

"From delicious lipsticks to biodegradable nail lacquers, nurture yourself with my fave natural finds. BRIGHT IDEA: Kahina Giving Beauty Brightening Serum uses fair-trade argan oil to give skin an instant glow. Eco-bonus: 25 percent of the brand's profits help improve the lives of the Berber women in Morocco."