There are several skincare lines on the market and choosing one that is right for one's skin type can be mind boggling. Finding a treatment line using quality ingredients that has had plenty of success is crucial. Both Perricone MD and Clarins have a prestigious credentials, use natural ingredients and document stellar research development. Perricone MD is a 3-tier program and must be apprached comprehensively for top results. Focusing on diet, supplements and topical care may be too much for some. Clarins uses plant oils, some aromatic, but have achieved high accreditations on quality control since 1954. Clarins has also paved the way with social responsibility helping different organizations with feeding the world and supporting research for certain diseases. Both companies do not test on animals or use animal by-products.