What is the scientific basis of skincare products?

Dec 6, 2019 ... (32) “Natural physiological effect” has the definition set forth in OAR 817-015-0045. (33) "Office" means the Health Licensing Office. Page 4 ... May 11, 2023 ... Ida McLean, a licensed cosmetologist, cosmetology ... McLean goes on to share her definition of what it means to be a beauty professional. Aug 10, 2016 ... There isn't a license for makeup artistry in California, unless you're in a salon setting, and most people don't know that. Weddings don't require a license. (4) 'Beautician' means 'cosmetologist' as such term is defined in this Code section. (5) 'Beauty shop' or 'beauty salon' or 'barber shop' means any premises ... Apr 23, 2025 ... Cosmetology is a field of study that deals with the application of beauty treatments. It includes hair styling, skin care, manicures, pedicures, ... dye, brush, apply hair tonics, beautify, or otherwise treat by any means the hair of any person. Cosmetologists may apply decorative embellishments such as ... Cosmetologists are licensed and regulated in California by the Board of Barbering and Cosmetology. ... means the hair of any person. Cosmetologists may apply ... “Cosmetologist-hairstylist” means any person holding a cosmetology and ... "Hair braider/hair braiding specialist" means a person who holds a limited license. Completion of the Cosmetology program means you are prepared to take the Oklahoma State Board of Cosmetology and Barbering Basic Cosmetologist exam. Already ... (7e) “Cosmetologist” means a person who practices cosmetology. (7m) “Cosmetology” means, for compensation, performing one or more of the following: (a) ...