Abstract
Sensitive skin, an often self-reported condition, is characterized by an unpleasant sensory experience to a variety of consumer products. Certain ingredients in consumer products, such fragrances and dyes, are believed to exacerbate skin sensitivities. Due to an increased prevalence of people reporting sensitive skin, a variety of consumer products are formulated for people with this condition. A segment of commercially marketed laundry detergents, commonly known as free detergents, have been formulated without dyes and perfumes to accommodate skin sensitivities. In the US and Canada respectively, 80% and 97% of dermatologist recommend the use of free detergents for their patients with sensitive skin. However, consumers have expressed dissatisfaction with free detergents, with 39% reporting they are not satisfied with their free detergent’s cleaning performance. When people switch from the leading free laundry detergent, they will switch to a non-free detergent 60% of the time, going against dermatologist recommendations and potentially further aggravating their skin sensitivities. Recently, a survey of US households with sensitive skin showed that 98.8% said that they would be more likely to consistently use a detergent that cleans better. Herein are reported data showing Tide Pods Free & Gentle outperformed other free detergents in cleaning across a wide variety of laundry stains and in SEM visual analysis of soil residues on fibers. It is postulated that the better cleaning detergent may help drive patient compliance with dermatologist recommendations for usage of a free detergent for their patients with sensitive skin.
Highlights
Laundry Detergent Formulations and Sensitive Skin Sensitive skin is often identified through unpleasant sensory reactions to consumer products such as cosmetics, soaps, toiletries, and laundry detergents after contact with the skin.[1]
In North America an overwhelming majority of dermatologist recommend the use of free detergents for their patients with sensitive skin, yet up until now very little research has been done to determine which factors can help to drive patient compliance with that recommendation
Retail purchase data demonstrate that all laundry detergents formulated for people with sensitive skin may not adequately serve the needs of this patient population
Summary
Laundry Detergent Formulations and Sensitive Skin Sensitive skin is often identified through unpleasant sensory reactions to consumer products such as cosmetics, soaps, toiletries, and laundry detergents after contact with the skin.[1]. A recently published 21-Day Cumulative Irritation Test showed that fabrics washed with Tide Pods Free & Gentle (TPFG) were as mild to skin as those washed with All Free Clear (AFC).[18] New in vitro methodologies have been proposed as a surrogate for in vivo testing for laundry detergent mildness.[19] While in vitro methods can be useful tools for rapid screening of large numbers of surfactants and product formulations, the ultimate test of mildness is contact with human skin in a controlled study with sufficient skin assessment end points to assure safe use on sensitive skin.[11,20,21,22]
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