The science behind wholesome hair

What does wholesome hair appear like?
What’s the construction of hair?
Go hand in hand with shampoo and conditioner
Demand for pure and sustainable merchandise
Additional studying

What’s wholesome hair and what’s the science behind it? Right here we talk about the construction of hair and its tendency to point out or in any other case show a wholesome look. Why is it that our locks can seem discolored?

wholesome hair. Picture credit score: prostock-studio / Shutterstock

A greater understanding of the pure properties of our hair has led us to make use of conditioning remedies to higher handle and enhance its look. In recent times we now have seen a rising demand for pure and sustainable hair care merchandise. Right here we take a more in-depth take a look at the makes use of of crops in hair care.

What does wholesome hair appear like?

Wholesome wanting hair is mostly thought-about to be clean and glossy versus boring, coarse and frizzy. The properties of smoothness and shine are associated to the floor properties of the hair. Clear lower or tapered ends are additional indicators of well being and are associated to the hair cortex.

Causes which will depart an individual scuffling with a less-than-healthy-looking set of locks embrace further styling and beauty remedies, resembling the usage of chemical dyes or bleach. Right here chemical injury can happen to contribute to hair’s boring, frizzy and weak look. As well as, age-related modifications resembling pure graying or androgenetic alopecia (hair loss in older males) can lead to a lack of luster and smoothness.

Conserving our hair wholesome entails the coordination of a posh set of components; An interaction between medical and organic components, scalp care habits, hair care procedures and environmental components. Cosmetics are used to change the bodily and mechanical properties of the hair, which in flip rely on the interior construction and protein composition. The floor of the hair when seen as “structured” on the molecular stage has implications for the design of environmentally pleasant and sustainable elements and formulations for each shampoos and conditioners, and these merchandise have led to elevated shopper demand lately. Have seen

What’s the construction of hair?

The hair construction consists of the outermost hydrophobic layer with the cortex. Mixing these layers collectively imparts the coveted bodily properties of shine (shine) and quantity (physique) important to the “well being” of the hair.

The hydrophobic lipid epicuticle layer consists of flattened overlapping cuticle cells. The conventional cuticle is smoother in look and permits the reflection of sunshine. In the meantime, the internal cortex is made up of spindle-shaped cells crammed with keratin filaments. Everlasting modifications within the cortex happen when hair is uncovered to dyeing or remedies resembling curling or straightening.

Shampoo and conditioner go collectively

The shampoo acts as a cleanser to take away extra oil, sebum and dust. Nonetheless, when used alone it tends to tangle moist hair, is tough to handle and is liable to frizziness when dry. A poor combing approach could cause mechanical stress and result in the elimination of the outermost covalently sure lipid layer, leaving the hair floor hydrophilic and ionized.

The answer to this downside is the usage of conditioning remedies within the hair after shampooing or combining shampoo and conditioner in a single utility – a well-worn time-saving maneuver. In both case the problem (shampoo + conditioner or a formulation that has each mixed) is to maintain the conditioning elements on the floor of the hair after the cleaning formulation has been eliminated. The commonest conditioning elements embrace cationic surfactants, cationic polyelectrolytes, lipophilic conditioners (resembling oils, pure waxes, fatty alcohols) and silicones.


The shampoo acts as a cleanser to take away extra oil, sebum and dust. Picture credit score: Mr. Chengchai Noojuntuk / Shutterstock

Demand for pure and sustainable merchandise

The beauty business has sought to satisfy the calls for for extra pure and sustainable merchandise. The foremost problem right here is to have the ability to exchange conventional low-cost surfactants with newer biosurfactants and on the identical value. A lot progress has been made on this route utilizing the ideas of inexperienced science and these days many new supplies are environmentally pleasant.

Within the quest for extra pure options, there has not too long ago been a growth of stable shampoos that shelve some new and attention-grabbing elements. These are based totally on clay, herbs or flour, mixed with frequent artificial surfactants and different frequent elements, as an alternative choice to conventional washing bases.

Strong shampoos have a number of benefits over standard formulations, resembling simpler transport and higher microbiological stability (the presence of water within the composition of standard shampoos necessitates the usage of further preservatives). Subsequent right here we’ll concentrate on the usage of herbs.

The usage of herbs to wash hair has been recognized since historic occasions. There was a resurgence in the usage of herbs in current occasions with a rising pattern in favor of pure, uncooked supplies. Natural merchandise are additionally most popular as a result of they provide the additional advantage of decrease value, in addition to a decrease danger of uncomfortable side effects.

Many crops have proved helpful for our hair. Advantages are offered by means of sought-after parts resembling nutritional vitamins, amino acids, sugars, glycosides, bioflavonoids, phytohormones, fruit acids and important oils. With the arrival of recent manufacturing methods, the problem lies within the choice of these pure elements.

Though these new formulations comprise pure elements from which we are able to categorical a way of safety, it’s inevitable that they’re really protected and environment friendly for long run use. Many out there natural shampoos nonetheless depend on artificial elements, though ‘pure’ shampoos manufactured utilizing solely pure elements are actually recognized to compete with standard shampoos of their desired traits of foaming, gentle detergent, and stable elements. .


  • Gubitosa, J. At al. 2019 Hair Care Cosmetics: From Conventional Shampoo to Strong Clay and Natural Shampoo, a Overview. Cosmetics. doi: 10.3390/cosmetics6010013.
  • Luengo, G. At al. 2020 The Floor Science of Beauty Substrates, Cleaning Actions and Formulations. Advances in colloid and interface science. doi: 10.1016/j.cis.2021.102383.
  • Sinclair, R. 2007. Wholesome Hair: What’s it? Journal of Proceedings of Investigative Dermatology Symposium. doi: 10.1038/sj.jidsimp.5650046.

Additional studying

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