Figure 2.
The effect of HTT cleanser components on free Ca2+ ion in solution.
Notes: (A) In-use dilution 1% and (B) 10%. The line with slope =1 illustrates the starting conditions. BB= Burt’s Bees® (Burt’s Bees Baby Bee Shampoo & Wash, Durham, NC, USA). HTT= Johnson’s® Head-To-Toe® Baby Wash (Johnson & Johnson Consumer Inc., Skillman, NJ, USA. CB= California Baby® Super Sensitive™ Shampoo & Bodywash (Los Angeles, CA, USA).
Abbreviations: Ca2+, ionized calcium; EDTA, ethylenediaminetetraacetic acid; PEG80SL, PEG-80 sorbitan laurate; SLES, sodium laureth sulfate; SLES/CAPB/PEG80SL, sodium laureth sulfate, cocamidopropyl betaine, and PEG-80 sorbitan laurate in a 1:1:1 weight ratio.