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Skin type classification system research

The Baumann Skin Types system is a skin-type classification system comprised of 16 skin personalities. This classification system was developed by dermatologist and professor of Dermatology at the University of Miami, Leslie Baumann, M.D. in 2004 to subdivide research participants into specific phenotypes. The 16 Baumann Skin Personalities, also known as Baumann Skin Types, have been used in genetic research aimed at identifying the genes that contribute to skin characteristics such as dryness, oiliness, aging, pigmentation and sensitivity. The Baumann Skin Typing system combines these individual skin attributes into 16 personalities that allow researchers to improve their ability to identify various skin phenotypes and use that knowledge for patient selection for clinical research trials and to recommend proper skincare ingredients and products. The classification system has been adopted by estheticians, dermatologists, consumers and retailers to match cosmeceutical ingredients and skin care products to specific skin types. The Baumann Skin Type is determined by a scientifically validated questionnaire, known as the Baumann Skin Type Indicator (BSTI).

https://books.google.com/books?id=qAPLBQAAQBAJ&pg=PA29&lpg=PA29&dq=%22Baumann+skin+type%22&source=bl&ots=yGkLutR6CI&sig=K_kAjOvR8qSQcBkryySYKjivRqs&hl=en&sa=X&ei=4cT5VLS4Dsi5ggT-h4T4Aw&ved=0CDkQ6AEwBjgU#v=onepage&q=%22Baumann%20skin%20type%22&f=false

Sturm, RA. Skin colour and skin cancer—MC1R, the genetic link. Melanoma Res. 2002 Oct; 12 (5): 405-16

Mehta, Surjit, Singh & Reddy, Belum Siva Nagi (2003), Cosmetic Dermatitis—Current Perspectives, International Journal of Dermatology, 42 (7), 533-542

Sensitive & Resistant: The presence of inflammation is the major determining factor for Sensitive or Resistant skin. An impaired stratum corneum layer can lead to sensitive skin because this layer of the skin serves as a barrier to keep allergens and irritants out.

Sensitive skin often reacts to skincare products with redness, stinging, burning or acne, while Resistant skin rarely experiences negative side effects. The strong stratum corneum associated with Resistant skin can make the skin resistant to the beneficial effects of skincare ingredients due to less absorption.

There are 4 unique subtypes of sensitive skin, and they are all different, all Sensitive subtypes have inflammation in common.
 * Acne subtype: Develops acne, whiteheads or blackheads
 * Rosacea subtype: Experiences recurring flushing, redness and a hot sensation
 * Stinging subtype: Develops stinging or burning of the skin
 * Allergic subtype: Develops redness, itching and flaking of the skin

Pigminted & not pigmented: This skin attribute is measured by the skin’s tendency to develop unwanted pigment. This can be sun-induced, as in melasma, solar lentigos and freckles, or due to injury in the form of post-inflammatory hyperpigmentation (PIH). Most pigment changes can be prevented and corrected through the use of proper skincare ingredients.

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Baumann information

In 1997, Leslie Baumann, M.D. founded the University of Miami Cosmetic Center, the first university-operated center dedicated to cosmetic dermatology in the United States.

In 2002, she authored the Cosmetic Dermatology: Principles and Practice, which is one of the bestselling cosmetic dermatology books in the world. Later, Baumann authored the New York Times best-seller The Skin Type Solution in 2005. The book is based on Baumann’s research on cosmeceutical ingredients and describes how to properly assess an individual’s skin type based on a questionnaire that will guide dermatologists and consumers to cosmetic products suited for their specific skin types.

https://clinicaltrials.gov/ct2/results?term=leslie+baumann&Search=Search

Allure http://www.allure.com/beauty-trends/how-to/2008/skin_defenders http://www.today.com/id/28796417/ns/today-today_health/t/does-sunscreen-save-skin-or-damage-it/#.VP3osPzF9XY

Glamour http://www.glamour.com/lipstick/blogs/girls-in-the-beauty-department/2009/01/your-skinquiries-answered-part-1 http://www.glamour.com/lipstick/blogs/girls-in-the-beauty-department/2008/11/your-skinquiries-answered-part

Marie Claire http://www.marieclaire.com/beauty/makeup/a6535/anti-aging-treatment-trends/

NYT http://www.nytimes.com/2006/04/02/books/bestseller/0402besthardadvice.html http://www.nytimes.com/2009/03/19/fashion/19SKIN.html?pagewanted=2

Bibliography
 * Cosmetic Dermatology: Principles and Practice (McGraw Hill, 2002)
 * The Skin Type Solution (Bantam, 2006)
 * Cosmetic Dermatology: Principles and Practice Second edition (McGraw Hill, 2009)


 * Cosmeceuticals and Cosmetic Ingredients (McGraw Hill, 2014)