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Related Concept Videos

Accessory Structures of the Skin: Hair Growth and Types01:20

Accessory Structures of the Skin: Hair Growth and Types

Hair growth begins with the production of keratinocytes by the basal cells of the hair bulb. As new cells are deposited at the hair bulb, the hair shaft is pushed through the follicle toward the surface. Keratinization is completed as the cells are pushed to the skin surface to form the shaft of hair that is externally visible. The external hair is completely dead and composed entirely of keratin. Hair can be cut or shaven without damaging the hair structure because the cut is superficial. Most...
Impression Management Techniques I: Managing Appearances01:29

Impression Management Techniques I: Managing Appearances

Appearance is a multidimensional aspect of self-presentation that encompasses observable attributes such as clothing, grooming, speech, and nonverbal behavior. These elements are often strategically managed to align with socially constructed expectations in different settings. For instance, individuals tailor their appearance during job interviews, social gatherings, or athletic events to meet the perceived norms of those environments.Contextual Adaptation and Social SignalsThe research...
Factors Influencing Attraction II: Physical Attraction01:21

Factors Influencing Attraction II: Physical Attraction

Physical attractiveness plays a crucial role in shaping interpersonal attraction, influencing first impressions, social interactions, and long-term relationship dynamics. Psychological research consistently demonstrates that attractiveness affects social evaluations and behavioral outcomes in various contexts.Influence on Social InteractionsResearch has shown that individuals perceived as physically attractive often experience preferential treatment in social and professional settings. One...
Accessory Structures of the Skin: Hair and Hair Follicles01:16

Accessory Structures of the Skin: Hair and Hair Follicles

Hair and hair follicles are integral components of the integumentary system. Hair is a filamentous structure composed mainly of a protein called keratin. It is found on the surface of the skin throughout the body, except for areas such as the palms of the hands and soles of the feet.
Hair is a keratinous filament growing out of the epidermis. It is primarily made of dead, keratinized cells. Hair strands originate at the epidermal penetration called the hair follicle. The hair shaft is the part...
Effects of Chemicals: Overview01:27

Effects of Chemicals: Overview

Drugs, encompassing various chemical compounds from natural sources, lab synthesis, or genetic engineering, elicit different biological responses in living organisms. Some of these responses are desirable or therapeutic, while others are undesirable. The primary goal of administering a drug is to achieve a therapeutic effect, that is, to address a specific disease or health condition. Any concurrent effects outside of this therapeutic outcome are considered undesirable. These undesirable...
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Acne Infection

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Related Experiment Video

Updated: Jun 22, 2026

A New Technique for Quantitative Analysis of Hair Loss in Mice Using Grayscale Analysis
06:41

A New Technique for Quantitative Analysis of Hair Loss in Mice Using Grayscale Analysis

Published on: March 9, 2015

Shampoos and their aesthetic effects.

J Scandel1, J A Reinstein, N Brudney

  • 1Vick International, Division of Richardson Vicks Inc., Centre de Recherche Lab. Lachartre, 10 rue de Citaux, 75012 Paris, France.

International Journal of Cosmetic Science
|May 28, 2009
PubMed
Summary

Hair

Area of Science:

  • Cosmetic Science
  • Hair Care Research
  • Sensory Analysis

Background:

  • The aesthetic perception of hair post-shampooing is crucial for consumer satisfaction.
  • Understanding the link between specific hair properties and overall aesthetic appeal guides product development.

Purpose of the Study:

  • To determine which specific hair effects most strongly correlate with overall aesthetic appearance after shampooing.
  • To investigate consumer preferences and their relationship to perceived hair qualities and product attributes.

Main Methods:

  • Utilized a 'split head' procedure with trained observers assessing hair properties like 'spring back', 'volume', and 'bounce'.
  • Conducted three consumer tests on whole head applications, evaluating overall preference and specific attributes such as 'supple hair' and 'soft hair'.

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Last Updated: Jun 22, 2026

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  • Employed statistical analysis to identify significant correlations between assessed properties and overall aesthetic judgments or consumer preferences.

    • Main Results:

    • 'Spring back', 'volume', and 'bounce' were highly correlated with overall aesthetic assessment in trained observer tests.
    • 'Supple hair' and 'soft hair' showed significant correlation with overall shampoo preference in consumer tests.
    • Consumer overall preference was the primary driver of specific attribute preferences, with links to perfume and color also noted.

    Conclusions:

    • Mechanical properties like 'spring back', 'volume', and 'bounce' are key indicators of aesthetically pleasing hair post-shampooing.
    • For consumers, subjective qualities like 'supple' and 'soft' hair, alongside sensory aspects like fragrance and color, significantly influence overall shampoo preference.
    • Both trained observers and consumers perceive hair's mechanical properties as integral to the definition of a high-quality shampoo.