Lecturer(s)
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Lehocký Marián, doc. Ing. Ph.D.
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Course content
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- The current state of legislation in the field of cosmetic materials and resources. Expected trends. - Anatomy and physiology of the skin. Morphological differences in human skin. The most important problems in the behavior of the skin and its substructures, skin ageing. - Lipids in the skin. Barrier function of lipids. The binding of water in the skin. - Fats and oils in cosmetics. Influence of chemical composition. Possible interactions with other components of cosmetic products. - Surfactants in cosmetics. Types, the possible interaction with the skin and other ingredients. Perspective types of surfactants. - Polymers as cosmetic ingredients. Types of polymers, properties, interaction with the skin and surfactants, compatibility. - Anti-microbial agents and antioxidants as critical cosmetic ingredients. The principle of action versus the chemical composition. - The cosmetic product forms. Conventional forms (solutions, gels, ointments, emulsions). Effect of additives on the behavior of classical forms (mutual interaction of ingredients), the possibility of influencing their behavior. - Micro emulsion, nanoemulsions, Pickering´s emulsions, makroemulsion. Selection of emulsifiers. Preparation (cold emulsification, the PIT method). Liposomes. - Foams and aerosols. Formation and stability of foams. Foam stabilizers. Aerosols. - Functional cosmetics. Products for skin cleaning and conditioning. Skin care products. Ingredients that affect the skin condition (skin feel). - Hair Care. Special shampoos. Hair dye. Possible health risks. - Decorative cosmetics. Pigments organic, polymers and inorganic types, special additives. The problems of preparing different types of decorative cosmetics. - The assessment of cosmetic products. Performance evaluation, safety assessment. Instrumental methods.
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Learning activities and teaching methods
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Dialogic (Discussion, conversation, brainstorming), Methods for working with texts (Textbook, book), Individual work of students
- Preparation for examination
- 50 hours per semester
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prerequisite |
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Knowledge |
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Knowledge of lipid chemistry, chemistry and technology of surfactants, cosmetics and cosmetology at the master's courses of chemical or relevant faculties. |
Knowledge of lipid chemistry, chemistry and technology of surfactants, cosmetics and cosmetology at the master's courses of chemical or relevant faculties. |
learning outcomes |
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Students have knowledge about the cosmetic ingredients, their properties and mutual compatibility. |
Students have knowledge about the cosmetic ingredients, their properties and mutual compatibility. |
Skills |
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Students are able to form, develop, prepare and understand basic cosmetic formulations. |
Students are able to form, develop, prepare and understand basic cosmetic formulations. |
teaching methods |
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Knowledge |
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Individual work of students |
Individual work of students |
Methods for working with texts (Textbook, book) |
Methods for working with texts (Textbook, book) |
Dialogic (Discussion, conversation, brainstorming) |
Dialogic (Discussion, conversation, brainstorming) |
Skills |
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Individual work of students |
Individual work of students |
Practice exercises |
Practice exercises |
assessment methods |
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Knowledge |
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Oral examination |
Oral examination |
Recommended literature
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BAREL, A., O., PAYE, M., MAIBACH, H., I. Handbook of Cosmetic Science and Technology. New York, 2001.
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Förster, T. Cosmetic Lipids and the Skin Barrier. M. Dekker, Inc., 2002.
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SCHLOSSMAN, M.L. The Chemistry and Manufacture of Cosmetics. Allured Publ. Corp., New York, 2008.
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Thein, L.D., Lenick O. et al. 4) Surfactants in Personal Care Products and Decorative Cosmetics. CRC Press, 2007.
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