Sebum Levels & Composition

Spectroscopy

Sebum Levels & Composition
Spectroscopy
Sebum levels are widely used to evaluate skin and scalp greasiness and to test the cleansing efficacy of skin cleansing products. Techniques commonly involve sebum sampling using SebutapeTM or solvent-based swabs.

TRI uses FTIR spectroscopy to measure the sebum levels in vivo without the need for any sebum extraction processes.  The flexibility provided by the optical probe attached to the IR spectrometer makes it easy to investigate all parts of the body, including the scalp. Moreover, multiple parameters such as sebum level and composition, skin hydration, and product retention can be simultaneously evaluated with a single measurement during a clinical test.

 

FTIR imaging can also be used to visualize the sebum distribution on the skin surface in pre-clinical tests at TRI.  Images can provide a strong visual representation of skin cleansing.

For more information please contact:

Visualizing FTIR optical probe (Remspec) data - Change in sebum levels on the scalp before and after a shampoo wash, as indicated.  The production rate of sebum on the scalp after washing can be evaluated.

FTIR imaging on skin: Effects of new cleansing method on sebum removal.  

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