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Is there a range rating that states the cleaning power of shampoo and soap?
Is there a value range rating that indicates/states the cleaning power(cleanability) of shampoo and soap products? to determine which range they fall into (i.e., excellent/very good; good; fair; and poor)?
If so, could someone please provide the reference source?
%DP=100%(1-T/C)
Description:
DP: % detergency (cleaning) power,
C: weight of sebum in the control sample (weight of sebum on the yarn/wool),
T: weight of sebum in the test sample (weight of residual sebum on the yarn/wool).
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