1. Home
  2. |
  3. Blog
  4. |
  5. 15 Harmful Ingredients In Shampoos And Conditioners That You Should Avoid, Starting Today!

How do you decide which shampoo and conditioner to purchase for yourself? Does a brand's ad help you make the decision, is it the reviews you read online, or do you go by the ingredients list? Yes, it is a good idea to inculcate the habit of reading labels of hair care products. At least, it is safer than blindly going by ads or reviews.

But, why are we saying this? Because, most commercial shampoos and conditioners are formulated with a large chunk of harmful chemicals! And no, their toxicity levels are not just limited to hair health. It means they can cause life-threatening dangers!

To identify such harmful ingredients in shampoos and conditioners, we spoke to dermatologists and hair care experts at SkinKraft. Scroll down for the complete list.

Are Hair Products Toxic?

Most hair products are loaded with toxic chemicals that give your hair instant gratification. They help give us clean, shiny, bouncy and smooth locks, which often makes us settle for them. However, these short-term benefits come along with long-term ill effects - ranging from cancer to hormone imbalance.

Here is a list of ingredients in your shampoos and conditions that can turn out to be harmful in the long run.

What Are The Bad Ingredients In Hair Products?

1. Sulfates

Sulfates [1] are surfactants (surface acting agents) that are used to clean the dirt and excess sebum on the scalp. They are used for lathering purposes in your shampoos. These surfactants like SLS (sodium lauryl sulfate), SLES (sodium laureth sulfate) and ammonium lauryl sulfate are all damaging.

They can cause an allergic reaction on your scalp and may even cause frizzy hair. Besides, they can be hormone disruptors when used for prolonged periods. Sulfates are also harmful for the environment and aquatic species.

2. Parabens

To increase the shelf life of hair care products, manufacturers add preservatives called parabens [2]. They prevent bacteria from growing in your shampoos. Parabens (Butyl, propyl and ethyl parabens) are known to mimic the function of hormone estrogen (female hormone responsible for reproductive functions) and can increase the risk of breast cancer.

3. Polyethylene Glycols (PEG)

Polyethylene glycol [3] is a derivative of petroleum that is used in hair care products as a thickening agent. There is not enough research available to claim the toxicity of PEG, but hair care experts believe that PEG can have a damaging effect on your scalp. PEGs can be identified as numbers like 100, 120, 14M, 30, 32, 40, 75 and so on.

4. Phthalates

Phthalates [4] are used in hair care products to increase the spreadability of a product. They are used to make the perfume stick to your scalp and hair. They are endocrine disruptors meaning they can cause early puberty in girls and reduce sperm count in men. They are also highly dangerous for the environment.

5. Formaldehyde

Considering a fancy brazilian blowout or a keratin treatment in lieu of smooth locks? Hold on. These treatments may contain an ingredient called formaldehyde [5] or formaldehyde releasers that are carcinogenic.

Bronopol, imidazolidinyl urea, DMDM hydantoin, quaternium-15 and diazolidinyl urea are all formaldehyde releasers. These ingredients are known to be absorbed by your skin. Companies add formaldehyde as a preservative in these treatments.

6. Triclosan

Triclosan [6] was an important antibacterial agent in soap bars until recently. But it is still being used in shampoos, toothpastes and deodorants. It is a known hormone disruptor. Triclosan is believed to get accumulated in your fat cells and keep the body in a state of toxicity.

7. Dimethicone

Dimethicone [7] is a type of silicone added in hair care products. It acts like a protective layer to your hair shaft but over time, builds up residue on your scalp. It prevents moisture from entering the hair and can cause scalp irritation by clogging the pores.

8. Retinyl palmitate

Retinyl palmitate [8] is the ester of retinol and palmitic acid. This ingredient can cause skin itching, redness, scaling and peeling. It may also cause cancer, reproductive problems and toxicity to organs.

9. Alcohol

Alcohols used in hair care can make your hair extremely dry. Steer clear of alcohols like propanol and isopropyl alcohol. Alcohols are used as thickening agents in shampoos. Sometimes, they are used as emollients when derived from palm oil or coconut oil. Alcohols can cause brittleness of hair.

10. Fragrances

Hair care brands are smart enough to not reveal the exact ingredients and put them all in one category - fragrances or parfum. These fragrances are made synthetically with a blend of a variety of toxic chemicals. How else can you make rose, apples and lavender smelling shampoos in the lab?

They obviously don't add natural flowers and fruits in your shampoos and conditioners. Synthetic fragrances may cause cancers, reproductive issues or asthma attacks. Some fragrances can affect the scalp and lead to hair loss.

11. Colors

We love to see pretty-looking colors in our shampoo and conditioner bottles. The kind of ingredients that go into making synthetic colors of hair care products will leave you shocked!

These colors are derived from coal tar or petroleum. You can identify synthetic colors on the labels by the terms 'FD&C' or D&C'.

12. Toluene

Toluene [9] is a petrochemical solvent used in most hair dyes. They can hamper your immune system and may even cause birth defects.

Please stay away from hair dyes if you are an expectant mom. Toluene can have a detrimental effect on your central nervous system. Toluene is often labelled as benzene, phenylmethane, toluol and methylbenzene.

13. Resorcinol

Resorcinol [10], a common ingredient in hair dyes and bleaching agents, is linked to skin irritation. It can also cause functional disabilities of the immune system. In animals, it causes thyroid function disruption.

14. Selenium sulfide

Selenium sulfide [11] is a proven carcinogen (cancer causing compound). Lab tests on mice showed the development of tumors due to selenium sulfide. Read the ingredients of your anti-dandruff shampoos to stay away from selenium sulfide.

15. Quaternium-15

Quaternium-15 [12] is a surfactant and preservative in hair care products like shampoos and conditioners. It is an ammonium salt that is carcinogenic. It is also a formaldehyde releaser. Quaternium-15 is also a possible eye irritant.

What Ingredients Should Your Shampoo & Conditioner Contain?

Choose a sulphate free formula with mild surfactants. You could look for humectants like coconut oil to counter any roughness, quaternium salts to condition hair and silicon oils for shine and lustre.

Look for oils like coconut oil, olive oil, jojoba oil and palm oil in your conditioners that help nourish your hair. Hydrolyzed keratin is an ingredient that you can opt for in your conditioner that repairs damaged hair.

Butters like mango butter and shea butter form a protective layer around the cuticle of your hair. Vitamin E, argan oil and vitamin B5 are also great conditioning ingredients that not only nourish your hair, but make the hair fall flat.

Make sure you buy from brands that disclose their full list of ingredients on the labels or website. Sometimes, even plant derived ingredients may cause allergies in some people. Watch out for potential irritants whenever you are buying shampoos and conditioners.

Wrapping Up

Our regulatory bodies are not very strict when it comes to the ever evolving beauty industry. Thus, toxic ingredients in hair care products are accumulating in your bodies and on our planet to cause harm. So, don't forget to read labels on your shampoo and conditioner bottles before you make a purchase decision.

Begin By Knowing Your Skin

Our skin care patrons are fans of our hair care too! Get Your
FREE Hair Analysis