Shampoo and hair conditioners often claim to have nutrients and vitamins that yo

Question

Shampoo and hair conditioners often claim to have nutrients and vitamins that your hair must have to grow and be healthy. Taking into account the composition of hair do you think these vitamins and nutrients will be beneficial? UNIT QUIZ: Critical Thinking 6 Shampoos and hair conditioners often claim to have we yos think healthy. Taking into account the composition Why or why not? nutrients and vitamins that your hair must have to grow and be of hai, do you think these vitamins and nutriens of the kinid to the skin without entering the blood. How is this fact explained by the structure Integumentary System envelope that protects us from drying out and from the dangers of chemical or microbial contamination. The sebaceous secretions of the skin, along with other components of the skin's surface film, enhance the skin's ability to protect the internal environment. Protection against mechanical inijuries is provided by hair, tional assis As you co mind that no the dermis and epidermis wor

Explanation / Answer

2. These vitamins and nutrients will not be beneficial because hair is not a living tissue. It has no circulatory system and cannot metabolize anything. Some products claims to delivers vitamins or others nutrients to hair but this is not possible.

Hair does reflect what we eat and what we have in our system so if one wants to get vitamins and nutrients into hair, we must eat them and wait for new hair growth.

Existing hair cannot metabolize or otherwise absorb nutrients or vitamins, its makeup comes from circulatory system not from anything we put on it topically.

But compounds can be applied to the surface of hair. Think of polishing a table or waxing a car, this is what conditioners do to our hair, they add a layer of some coating. Hair strands can split or fray or become otherwise damaged, silicone polymers from conditioners can fill in those gaps and sort of glue it back together, making it appear smooth or shiny.

3. Skin absorption is the route by which substances can enter the body through the skin. Along with inhalation, ingestion, injection, dermal absorption is a route of exposure for toxic substances and route of administraion for medication.

Skin (percutaneous and dermal) absorption is the transport of chemicals from the outer surface of skin both into the skin and into circulation. Skin absorption relates to the degree of exposure to and possible effect of a substance which may enter the body throgh the skin. Skin absorption can occur from occupational, environmental, or consumer skin exposure to chemicals, cosmetics or pharmaceutical products. Some chemicals can be absorbed in enough quantity to cause detrimental systemic effect .

Factors influencing absorption :

It depends on number of factors -

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