Dry shampoo

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Andrelon dry shampoo from 1940s. Andrelon dry hairwash Virotan against hairloss and dandruff, 1940s.JPG
Andrelon dry shampoo from 1940s.

Dry shampoo otherwise known as hybrid shampoo is a type of shampoo which reduces hair greasiness without the need for water. It is in powder form and is typically administered from an aerosol can. Dry shampoo is often based on corn starch or rice starch.[ citation needed ] In addition to cleansing hair, it can also be used as a tool for hair-styling as it can create volume, help tease hair, keep bobby pins in place, and be used in place of mousse in wet hair. [1] Dry shampoo proponents attest that daily wash-and-rinse with detergent shampoo can strip away natural oils from hair. [2] However, others attest that spraying dry shampoo every day will lead to a build-up of product that can dull hair color and irritate the scalp, arguing that the scalp needs regular cleansing and exfoliating to get rid of bacteria, remove dead skin cells, and stay healthy. [3]

Contents

The powders within dry shampoo are meant to absorb the sebum in hair, which is excreted from sebaceous glands and can give hair a greasy appearance when the oil is overproduced. By absorbing the oils, the greasy appearance of the hair is improved; however, the absorbed oils and powders remain in the scalp, so the hair may appear clean but feel unclean to the user. [4] The user may need to wash their hair with traditional shampoos to actually remove the oils and dry shampoo powder in order for the scalp and hair to feel and appear clean.

History

Throughout history, people have used powder-based products similar to dry shampoo to cleanse and improve the appearance of hair. Evidence suggests that people in Asia used clay powder to clean their hair as early as the late 15th century. [5] During the Elizabethan era, a lack of regular bathing made clay powders popular among women to cleanse their hair of excess dirt and oil. Some powders were even colored for decorative purposes. [6] Powders were also used by 18th-century British and American elites to absorb the oils in hair and wigs at a time when long hair was a marker of masculine privilege. [7] The first written reference of dry shampoo in the United States is from the late 1700s, when starches were used to deodorize and alter the color of wigs. [8] Other early mentions of dry shampoo include foam substances used by barbers to clean hair in the late 1800s. [9]

The first commercially produced dry shampoo was sold in the 1940s, but the product existed before that. By the early 1940s, the Stephanie Brooke Company of Jersey City, New Jersey had developed Minipoo, the first brand of commercially produced dry shampoo powder. Minipoo was marketed to women and children for use in scenarios such as "surprise dates" or when they were sick in bed, according to the Smithsonian's National Museum of American History. [10] Since 1790, 71 patents have been filed for dry shampoo products in the United States. [11]

Composition

Dry shampoo is generally composed of a carrier agent containing an active powder. [12] Normally, starch is used as the active powder. When the powder is sprayed onto hair, the carrier agent evaporates while the starch remains attached. While the active powder can be replaced with other substances such as activated carbon and alumina, these substances are generally not used due to their inability to biodegrade. In particular, activated carbon and alumina leave behind a residue that is difficult to remove. [13] Presently, oryza sativa starch and cetrimonium chloride are the most common starches used in dry shampoos. Dry shampoo in the form of aerosol also often contains a propellant ingredient. [14] The propellant used in dry shampoo usually consists of butane, isobutane, and propane, which makes up 70–90% of the total composition. [14]

Dry shampoos often contain anionic surfactants that do not dissolve in water. The surfactant molecules have a hydrophilic portion as well as a hydrophobic portion to bind with water and oils. Surfactants such as detergents rely heavily on micelle formations. Amphiphile molecules organize into small clusters of micelles with the hydrocarbon non-polar ends facing inwards. [15] When dry shampoo is applied, amphiphile molecules surround suspended oil drops which then can be removed. The anionic substances often leave a form of calcium salts, which are not soluble, in the hair strands that causes hair to be dry and tangled. The alkaline residue may also cause hair and skin irritations. [16]

Types

The use of red clay as a form of dry shampoo in the hair of a Himba woman. Himbawoman.JPG
The use of red clay as a form of dry shampoo in the hair of a Himba woman.

Dry shampoo can be administered as a powder, where all the ingredients of dry shampoo are combined together and applied to the scalp with the hand, or through the aerosol form where the dry shampoo is sprayed directly onto the head. In the aerosol form, the powders comprising the dry shampoo are dispersed throughout pressurized gas inside a can; when the release is pressed, the pressurized gas and powders inside are released, forming the aerosol that lands on the head or scalp. [17]

Homemade dry shampoo

This product has also been made at home, in addition to being purchased in stores. DIY dry shampoos usually have some sort of starch base, which is one of the key products in commercially produced dry shampoos, and often contains essential oils for scent. [18]

Herbal powder shampoo

Herbal powder shampoos are another form of dry shampoo. As a natural hair-care product, they tend to have fewer negative side effects than traditional mass-market shampoos, and contain a dry powder mixture of aloe vera and other plant byproducts to reduce skin, eye, and scalp irritation from surfactants. [19]

Clay

Clay has been used throughout history as a form of dry shampoo. The Rhassoul clay, also known as red clay, originating from Morocco is traditionally used as a leave-in shampoo and conditioner. Due to its high absorbance of sebum, clay is often used as a remedy for dandruff and seborrhea. Such properties of clay stem from its colloidal particle size and crystalline structure. Even though clay is generally considered to be a natural non-toxic material, it should not be stored in metal containers due to its retention of heavy metals. [20]

For animals

In addition to the liquid shampoos, there are dry shampoos available for pets with fur. The waterless-foaming shampoo is applied directly into the fur of the pet without the need to pre-wet or rinse the pet after application. These shampoos often contain a combination of detergents, antimicrobial agents, and surfactants. Certain conditioners may also contain additional agents such as Melaleuca oil for the treatment of fleas. [21] The foaming component of the shampoo comes from a pressurized gas such as carbon dioxide mixing with a foaming liquid. Once the foam is applied to the fur, the foam needs to be worked in vigorously before being wiped off.

Proper application

The product is applied to the scalp or roots of the hair, either through aerosol form or directly applying the powder, the powder within the product is allowed to sit on the hair for an extended period of time, and then the powder is massaged or brushed through the scalp. [22] Allowing the product to sit in the hair before brushing it out allows more time for the product to absorb the sebum oils in the hair and brushing out the product would reduce the powder's potentially noticeable appearance.

Potential side effects

Related Research Articles

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References

  1. ↑ Allison Cooper. "How To Use Dry Shampoo As A Styling Tool". Ravishly. Retrieved 1 June 2019.
  2. ↑ "How Dry Shampoo Works - HowStuffWorks". 14 October 2009. Retrieved 16 May 2015.
  3. ↑ "9 Things You Don't Know About Using Dry Shampoo".
  4. ↑ Insider, Ellie Kincaid, Business (27 June 2018). "How Often You Should Wash Your Hair, According to Science". ScienceAlert. Retrieved 3 May 2019.{{cite web}}: |first= has generic name (help)CS1 maint: multiple names: authors list (link)
  5. ↑ "Not All Dry Shampoos Are Created Equal!". ChagrinValleySoapAndSalve.com. 26 July 2015. Retrieved 1 June 2019.
  6. ↑ Sherrow, Victoria (2006). Encyclopedia of Hair: A Cultural History. Greenwood Publishing Group. ISBN   9780313331459.
  7. ↑ Vincent, Susan J. (4 October 2018). Hair: An Illustrated History. Bloomsbury Publishing. ISBN   9780857851727.
  8. ↑ "Dry Shampoo". Crunchy Curator. Archived from the original on 20 August 2016. Retrieved 28 July 2016.
  9. ↑ Our Deportment: Or, the Manners, Conduct, and Dress of the Most Refined American Society, Comprising Rules of Etiquette, Social Forms and Ceremonies, Forms of Letters, Invitations, Etc., Also Suggestions on Home Culture and Training. W. C. King. 1881. p.  378. dry shampoo.
  10. ↑ "Minipoo Dry Shampoo". National Museum of American History. Retrieved 1 June 2019.
  11. ↑ "Patent Database Search Results: "dry shampoo" in US Patent Collection". patft.uspto.gov. Retrieved 1 June 2019.
  12. ↑ USapplication 2012282190,Hammer, James Donald,"Compositions, methods, and kits comprising a dry shampoo composition",published 2012-11-08, assigned to Pharmosol Corp., since abandoned.
  13. ↑ US 4035267,Gleckler, George C.&Goebel, James C.,"Dry shampoo using chitin powder",published 1977-07-12, assigned to American Cyanamid Co.
  14. 1 2 USapplication 2018153782,Desale, Shirish,"Dry shampoo composition",published 2018-06-07, assigned to Church & Dwight Co. Inc.
  15. ↑ Oxtoby, David W. (2012). Principles of modern chemistry. Gillis, H. P., Campion, Alan. (7th ed.). Belmont, Calif.: Brooks/Cole Cengage Learning. ISBN   9780840049315. OCLC   663950016.
  16. ↑ Gavazzoni Dias, Maria Fernanda Reis (2015). "Hair Cosmetics: An Overview". International Journal of Trichology. 7 (1): 2–15. doi: 10.4103/0974-7753.153450 . ISSN   0974-7753. PMC   4387693 . PMID   25878443.
  17. ↑ US 4450151,Shinozawa, Takahiro,"Powder aerosol composition",published 1984-05-22, assigned to Toyo Aerosol Industry Co. Ltd.
  18. ↑ "3 DIY Dry Shampoo Recipes | HelloGlow.co". Hello Glow. 9 July 2016. Retrieved 6 May 2019.
  19. ↑ Gitanjali, Deokar; Prajakta, Pethkar; Swati, Bakshe; Kiran, Erande; Rajendra, Bhambar (15 July 2014). "Antimalassezia Activity of Medicated Antidandruff Shampoo Formulated with Microwave Dried Garlic Powder with Improved Allicin Stability". The Natural Products Journal. 4 (1): 23–32. doi:10.2174/221031550401140715144511. ISSN   2210-3155.
  20. ↑ Cosma, Pinalysa; Fini, Paola; Rizzi, Vito; Gubitosa, Jennifer (2019). "Hair Care Cosmetics: From Traditional Shampoo to Solid Clay and Herbal Shampoo, A Review". Cosmetics. 6 (1): 13. doi: 10.3390/cosmetics6010013 .
  21. ↑ US 5826546,Epstein, Kenneth R.,"Method for shampooing a pet using a foam-dispensed pet shampoo composition",published 1998-10-27, assigned to MiracleCorp of Australia
  22. ↑ "A Dry Shampoo". Scientific American. 96 (12): 250. 1907. ISSN   0036-8733. JSTOR   26005470.
  23. ↑ "Does Dry Shampoo Actually Keep Your Hair Clean?". Health Essentials from Cleveland Clinic. 8 April 2015. Retrieved 28 May 2019.
  24. ↑ Bouchez, Colette. "Fragrance Allergies: A Sensory Assault". WebMD. Retrieved 24 May 2019.
  25. ↑ "Contact Dermatitis 101: How to Manage This Form of Eczema". National Eczema Association. 20 February 2017. Retrieved 31 May 2019.
  26. ↑ "LPG USE AND CARBON MONOXIDE (C0) POISONING". emas.com.tr. Retrieved 24 May 2019.
  27. ↑ "What's so bad about Dry Aerosol Shampoo?". Green & Gorgeous Organics, LLC. Retrieved 24 May 2019.
  28. ↑ Manes, Yvette. "You might be using your dry shampoo wrong — here's how to do it without killing your hair". INSIDER. Retrieved 24 May 2019.
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