This professional-quality hyperpigmentation reduction serum from PCA SKIN helps renew an even skin tone. Formulated with antioxidants, azelaic, and kojic acids to promote a clear complexion and without hydroquinone for those who are unable to tolerate it. Excellent for combination, dry, normal, and oily skin, it helps treat discolorations and provide an extra boost to your morning and evening skin care routines. All PCA SKIN products are free of potential irritants like synthetic dyes and fragrances. We do not perform or condone animal testing. PCA SKIN is a trusted innovator in the development of highly effective professional treatments and daily care products. Our vision is to improve people's lives by providing results-oriented skin care solutions that are backed by science for the health of your unique skin.