The PH Of Human Scalp And Various Brands Of Shampoos

Abstract

The hair is symbol of beauty in both the genders of human beings. Long, healthy, voluminous hair have been referred as the beautiful woman may be Rapunzel of fairy land or Shakuntala from Indian epics. Various factors like nutrition, stress, sleep cycle, water quality, and environment and genetic affects the hair and the scalp quality. Uncared hair, use of different hair products can lead to hair loss, baldness.In present paper we are discussing about scalp pH and shampoos. With simple techniques, it easy to analyze pH of the scalp and shampoos.The sale of various hair products is raising enormously, from which the shampoos are enormously used to wash hair despite the huge cost, Without understanding the suitability and the pH of shampoos used to wash hair. Woman use multiple brands of shampoo then men.

Introduction

Health care services are rendered in all sectors including the clinics of hair grow ,transplant, hair treatment, is rising since last decade. Earning popularity and is a demanding sector. People get lured by advertisements of such clinics since Hair loss, Baldness are rising to alarming levels in both the genders. The loss of hair can be due to poor nutrition, genetic factors, hormonal imbalance, stress, water quality used to wash hair, hair care products. However few applications are available to diagnose scalp and hair. Human hair ,scalp oil, sebum, has a pH balance of between 4.5 and 5.5. This natural hair acidity prevents fungi and bacteria in the hair and scalp, and keeps the cuticle closed and healthy. Many of the hair products that people use disrupt the natural pH of the hair. A substance that is too alkaline will cause the hair cuticle to open, while a substance that is too acidic will cause the cuticle to contract.the texture of hair varies from curly, frizzy, wavy, to straight.this determine the moisture content in the hair curly hair holds less moisture, curly and straight hair thickness

Material and Method

We checked pHof scalp from 22 girls and 22 boys age group 17 to 19, by pH paper. Also we checked pH from 33brands of shampoos, using universal indicator and pH paper. Girls having hair wash thrice a week boys almost every day, Using shampoo of different brands. The Calculations are done by percentage method.

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Results and discussion

Hair is the indicator of the overall health and wellness so, most people wish to know whether hair scalp analysis is essential if they need to solve their hair scalp issues. Unfortunately Hair is care is not taken seriously until a remarkable decrease in hair density or a receding hairline – both falling under the category of thinning hair and/or baldness is observed. Hair is no longer considered as a mere extension of the human anatomy; it has metamorphosed into an important accessory that reflects the inner as well as external personality of a person. While healthy hair may have unrealised benefits, loss of hair can severely bruise a person’s ego and lower esteem, more so if it happens at an early age.(info@segalsolutionsindia.com).

Alkaline pH of shampoo may increase the negative electrical charge of the hair fiber surface and, therefore, increase friction between the fibers. This may lead to cuticle damage by opening the cuticle ther by increasing the chance of entry of bacteria, fungus and also fiber breakage. It is a reality that lower pH of shampoos may cause less frizzing for generating less negative static electricity on the fiber surface. in our observation 45% of the brand shampoos had pH ranging from 5-7, which is the recommended pH to use for hair wash, 39% brand had pH below 4 and 15% brands had pH range between 4-5 this will cause closing or narrowing of the hair cuticle, however according to Maria etal (2014), 75% of the salons shampoos presented a pH ≤ 5.0. Pediatric shampoos had the pH of 7.0 because of the “no-tear” concept. There is no standardized value for the final pH. It is important to reveal the pH value on the shampoo label, but studies are needed to establish the best pH range for both the scalp and the hair fiber's health. Most of the analyzed products have a final pH higher than the hair shaft pH of 3.6 and even higher than the scalp pH of 5.5. There are no standardized pH for any specific indication of hair shampoo, either commercial/popular, antidandruff or dermatologically prescribed products.it is necessary to choose a shampoo with pH lower than 5.5.(Maria Fernanda Reis Gavazzoni Dias, AndréiaMunck de Almeida,Patricia Makino RezendeCecato, Andre Ricardo Adriano, and Janine Pichler 2014) Regarding the pediatrics shampoos, one can attribute the higher pH (100% of the samples had a pH higher than 6.0) encountered in the samples, to the fact that they have a major concern “no tears” concept rather than conditioning the hair fiber or the hair scalp. (Persaud D, Kamath YK.. 2004) That is why the shampoo pH is closer to the tear physiological pH, it is believed that adults with dyed hair shaft, especially bleached hair, should not use pediatric shampoos to cleanse and condition their hair.

Conclusion

The cuticle layer tightens and contracts when the value drops down below 6,thus using a conditioner with a pH lower than 7, which is mildly acidic, can smoothen the surface and add shine to the hair. It reflects light but is still prone to damage due to the strong acid. Colouring hair is trend of fashion, Coloured hair should be washed with low pH shampoo, pH levels that are 7.0 and above, alkaline range where the layer of the cuticle expands and softens. (https://regrowz.com).The pigments are deposited into the hair during the colouring process when alkaline levels are higher, this can be damaging. Since hair is porous, it does not retain the colour and the new pigmentation will not be held properly and tends to fall out prematurely and also leading to overproduction of sebum .Also the manufacturers should prescribe pH on the shampoo.

References

1. Maria Fernanda Reis Gavazzoni Dias, AndréiaMunck de Almeida,Patricia Makino RezendeCecato, Andre Ricardo Adriano, and Janine Pichler The Shampoo pH can Affect the Hair: Myth or Reality? Int J Trichology. 2014 Jul-Sep; 6(3): 95–99.doi: 10.4103/0974-7753.139078
2. Persaud D, Kamath YK. Torsional method for evaluating hair damage and performance of hair care ingredients. J Cosmet Sci. 2004;55(Suppl):S65–77.[PubMed]