Sebum excretion rate:
In laboratory applications under controlled conditions we recommend to measure the sebum excretion rate - typically using the SkinLab Combo configuration.
Initially, precondition the actual skin area in order to remove any build up of oils on the skin surface prior to the measurement procedure by removing any makeup and de-lipidizing the actual skin area. Wait for a specified period of time (e.g. 1 hr.) and then apply the tape and perform a measurement. Relatively low sebum readings can be expected due to the time factor.
In a less "scientific" setup with no preconditioning of the skin and under less controlled conditions - e.g. point-of-sale activities using the Clinique Combo - an instant sebum check may be performed. Simply apply the tape to the skin “as is” followed by an instrumental reading of the strip to provide a readout of the actual sebum level.
Here higher readings may be expected due to the uncontrolled nature of the procedure.
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