A neural network approach to predict tactile comfort of applying cosmetic foundation

Nakano, Ken; Horiuchi, Keita; Soneda, Toshiharu; Kashimoto, Akio; Tsuchiya, Ryuta; Yokoyama, Masafumi

doi:10.1016/j.triboint.2010.04.004

Cited by 12 publications

(8 citation statements)

References 18 publications

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“…Sensory tests are based on an appreciation of the product performance and give the information perceived or observed. The tests were used to translate sensations into objective data, useful to study the development of new products and to ensure that their performance meets the expectations of the consumers . With respect to the studied parameters for BC mask evaluation, the results showed only for the “handling” parameter the score was higher for VEM (7.5) when compared to PEM (5.5) in the score scale ranging from 0 to 9.…”

Section: Resultsmentioning

confidence: 99%

“…Then, the membranes were in | 843 the development of new products and to ensure that their performance meets the expectations of the consumers. 29,30 With respect to the studied parameters for BC mask evaluation, the results showed only for the "handling" parameter the score was higher for VEM (7.5) when compared to PEM (5.5) in the score scale ranging from 0 to 9. Color, texture, smell, skin, and overall improvement reached 7.2, 6.8, 5.2, 6.3, and 6.2 score values, respectively, as shown in Figure 3.…”

Section: Preparation Of Bc Masksmentioning

confidence: 98%

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Bacterial cellulose skin masks—Properties and sensory tests

Pacheco

Mello

Chiari-Andréo

et al. 2017

J of Cosmetic Dermatology

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Section: Resultsmentioning

confidence: 99%

Section: Preparation Of Bc Masksmentioning

confidence: 98%

Bacterial cellulose skin masks—Properties and sensory tests

Pacheco

Mello

Chiari-Andréo

et al. 2017

J of Cosmetic Dermatology

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“…A modification of the same tribometer has also been used to generate inputs (11 instrumental inputs) to an artificial neural network designed to predict the same five perceptual quantities [64]. In this case, inspection of the network weights showed quite different contributions of the 11 inputs for each of the five percepts.…”

Section: Instrumental Measurements From Live and Simulated Touchmentioning

confidence: 99%

Perceptual and Sensory-Functional Consequences of Skin Care Products

Guest¹,

McGlone²,

Hopkinson³

et al. 2013

JCDSA

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Skin care products are often designed to provide tangible, physical benefits to skin health. Alleviation of dry skin and minimization of the signs of aging and post-injury scarring are important benefits targeted by many products on the market. Equally important to these benefits are favorable, desirable sensory attributes, without which products are unlikely to be used and repurchased. Other products are designed primarily to deliver sensory—or sensual—benefits (e.g., many cosmetic creams). This review considers the tactile sensory experience delivered by skin care products by examining: 1) their instrumentally-measured rheology and tribology; 2) their influence on the skin’s mechanics (e.g., compliance); 3) their implications for changing sensory function (e.g., tactile sensitivity); and 4) the possibility that skin care products alter their own perception. Products that contain chemosensates (e.g., capsaicin, menthol) or pharmaceutical actives are not considered here. Although numerous perceptual-physical links have been reported, formulation rules by which products can be designed for optimal skinfeels are currently unavailable from the existing literature. This is because of inconsistencies among studies in the perceptual attributes investigated, the physical characterizations chosen to describe the products, and analysis methods employed. To provide a robust method for designing products with beneficial and desirable skinfeels, we propose the use of 1) a consistent lexicon that fully describes the perceptual experience of any product investigated, 2) a means of recording the mechanical events at the fingertip skin that occur when a skin care product is manually applied to the body. This approach contrasts with previous instrumental (in vitro) methods that may not generalize well to product-treated human skin (in vivo). Ongoing studies that record mechanical events at the skin surface show promise in identifying realistic models of the perception of skin care products.

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“…Nakano et al [34] simulated the application of cosmetic foundations by measuring the sliding friction between silicone elastomer surfaces in the presence of such products. They processed the data using artificial neural networks and were able to predict the emotional tactile comfort with relatively high accuracy based on the frictional data.…”

Section: Introductionmentioning

confidence: 99%

Finger pad friction and its role in grip and touch

Adams

Johnson

Lefèvre

et al. 2013

J. R. Soc. Interface.

228

201

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Many aspects of both grip function and tactile perception depend on complex frictional interactions occurring in the contact zone of the finger pad, which is the subject of the current review. While it is well established that friction plays a crucial role in grip function, its exact contribution for discriminatory touch involving the sliding of a finger pad is more elusive. For texture discrimination, it is clear that vibrotaction plays an important role in the discriminatory mechanisms. Among other factors, friction impacts the nature of the vibrations generated by the relative movement of the fingertip skin against a probed object. Friction also has a major influence on the perceived tactile pleasantness of a surface. The contact mechanics of a finger pad is governed by the fingerprint ridges and the sweat that is exuded from pores located on these ridges. Counterintuitively, the coefficient of friction can increase by an order of magnitude in a period of tens of seconds when in contact with an impermeably smooth surface, such as glass. In contrast, the value will decrease for a porous surface, such as paper. The increase in friction is attributed to an occlusion mechanism and can be described by first-order kinetics. Surprisingly, the sensitivity of the coefficient of friction to the normal load and sliding velocity is comparatively of second order, yet these dependencies provide the main basis of theoretical models which, to-date, largely ignore the time evolution of the frictional dynamics. One well-known effect on taction is the possibility of inducing stick -slip if the friction decreases with increasing sliding velocity. Moreover, the initial slip of a finger pad occurs by the propagation of an annulus of failure from the perimeter of the contact zone and this phenomenon could be important in tactile perception and grip function.

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A neural network approach to predict tactile comfort of applying cosmetic foundation

Cited by 12 publications

References 18 publications

Bacterial cellulose skin masks—Properties and sensory tests

Bacterial cellulose skin masks—Properties and sensory tests

Perceptual and Sensory-Functional Consequences of Skin Care Products

Finger pad friction and its role in grip and touch

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