Relationship Between Tactile Sensation and Friction Signals in Cosmetic Foundation

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

doi:10.1007/s11249-009-9466-y

Cited by 21 publications

(9 citation statements)

References 29 publications

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“…Instead of investigating an active participant assessing a product against a substrate, an alternative approach is to artificially simulate a finger rubbing action and to measure the frictional-and other-phenomena that occur during such rubbing [62,63]. In effect these are "artificial finger" devices.…”

Section: Instrumental Measurements From Live and Simulated Touchmentioning

confidence: 99%

“…In effect these are "artificial finger" devices. The tribometer reported in the 2009 study [63] was used to measure the temporal evolution of friction which was then characterized by seven parameters such as the static friction coefficient, kinetic friction coefficient and amplitudes of vibration. Measurements were made on 10 product formulations, all consisting of mica and acrylic particles in oil.…”

Section: Instrumental Measurements From Live and Simulated Touchmentioning

confidence: 99%

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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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Section: Instrumental Measurements From Live and Simulated Touchmentioning

confidence: 99%

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

View full text Add to dashboard Cite

show abstract

“…As indicated, the intensity of firing of each mechanoreceptive unit differed for different samples. Some previous studies were conducted to estimate tactile sensation using vibration information, but they only used physically featured qualities, such as the frequency of resonance vibration [ 19 ], and the peak value of vibration [ 9 ]. Neither of these markers was related to the firing nature of the mechanoreceptive units.…”

Section: Resultsmentioning

confidence: 99%

Tactile Estimation of Molded Plastic Plates Based on the Estimated Impulse Responses of Mechanoreceptive Units

Nobuyama

Kurashina

Kawauchi³

et al. 2018

Sensors

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This study proposes a tactile estimation method of molded plastic plates based on human tactile perception characteristics. Plastic plates are often used in consumer products. The tactile evaluation plays an important role in product development. However, physical quantities not taking into account human tactile perception have been employed in previous tactile estimation procedures. Hence, in this study, we adopted the vibrational thresholds of the mechanoreceptive units—FA I, FA II, SA I and SA II—for stimuli detection and developed a tactile estimation method for plastic plates that clarified the mechanoreceptive units related to tactile sensation. The developed tactile sensor consists of a base and a silicone rubber pad that contains strain gauges in it. We detected vibration during touch by the sensor and calculated the estimation of the firing values of the cutaneous mechanoreceptors, which are the essential data obtained by humans during tactile perception, in comparison to the amplitude spectrum of the vibration with the threshold amplitude of each mechanoreceptive unit. Simultaneously, we calculated the relationship between the normal and tangential forces recorded while the sensor ran over the samples. As a result of stepwise linear regression analysis using these values as explanatory variables, the evaluation scores for Soft were successfully estimated using the firing value of FA II and the relationship between normal/tangential forces, and the evaluation scores for Rough were estimated using the SA I firing value.

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“…Some researchers have focused on the effects of the friction properties on the tactile feel during the application of cosmetic products. Horiuchi et al showed that static and kinetic friction coefficients are not always the dominant factors in determining the comfort feel when subjects rub powder foundation with their fingers 3 . Sukigara et al showed that the smooth feel of cosmetic sponges depends on the surface roughness, density, and mechanical properties of the sponge 4 .…”

Section: Introductionmentioning

confidence: 99%

Tactile Texture of Cosmetic Sponges and Their Friction Behavior under Accelerated Movement

2018

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We evaluated the friction properties of five cosmetic sponges on artificial skin using sinusoidal motion-friction evaluation system. No significant difference was observed in the pleasant score of the five sponges when these sponges were rubbed on the skin surface. The sponges were classified into three groups based on their tactile feel. Their characteristic tactile textures were moist-soft-slippery, moist-dry-rough, and moist feels. The slippery feel was found to depend on the thickness of the sponge's cell wall, its surface tension, and the change in friction coefficient in the dynamic friction process. These findings are useful in the design of cosmetic sponges.

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Relationship Between Tactile Sensation and Friction Signals in Cosmetic Foundation

Cited by 21 publications

References 29 publications

Perceptual and Sensory-Functional Consequences of Skin Care Products

Perceptual and Sensory-Functional Consequences of Skin Care Products

Tactile Estimation of Molded Plastic Plates Based on the Estimated Impulse Responses of Mechanoreceptive Units

Tactile Texture of Cosmetic Sponges and Their Friction Behavior under Accelerated Movement

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