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How Do I Choose the Best Deep Conditioner?

A bottle of deep conditioner.
Deep conditioners are most frequently used on freshly washed hair.
Olive oil is a key ingredient in both purchased and homemade deep conditioners.
Wheat protein helps hair absorb moisture to provide better deep conditioning.
Palm oil provides hydration for some of the best deep conditioners.
Article Details
  • Written By: Synthia L. Rose
  • Edited By: Lauren Fritsky
  • Last Modified Date: 30 November 2014
  • Copyright Protected:
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The best deep conditioner is generally devoid of silicones, waxes and drying alcohols while rife with humectants and hydrating ingredients, mostly from natural plant sources. Light proteins, such as wheat protein, soy protein or silk amino acids, are often in high-caliber deep conditioners in small measures because they enable the hair to absorb moisture better. Hard proteins like animal proteins and keratin are often not recommended by most beauticians because they can dry out hair strands. A true deep conditioner will not simply sit on the outside of the hair shaft, but will possess molecules small enough to penetrate to the cortex.

Effective humectants for deep conditioners include honey, propylene glycol and glycerin. Moisturizing alcohols like cetearyl, lauryl or myristyl also appear in these products. Moisturizing alcohols are fatty alcohols and do not dry out hair in the same way as isopropyl alcohol or propyl alcohol, which should generally be avoided, according to beauticians. Hydrating ingredients such as aloe vera, wheat germ, palm oil and olive oil are often staples in the best deep conditioner.

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Cyclomethicone and dimethicone are two of the most common silicones found in ineffective deep conditioners. Silicones are often avoided by seekers of moisturized hair because they coat the hair cuticle, thereby creating a smooth, shiny appearance that suggests healthy, moisturized hair. No moisture can penetrate the shield of silicones, however. Scientifically, the molecules of cyclomethicone and dimethicone are too large to be absorbed by the hair; instead, they sit on top of the hair strand, generally blocking the penetration of water and other ingredients. The same is true for waxes like petrolatum and mineral oil, which are widespread in conditioners, yet lack the ability to penetrate.

The best deep conditioner has ingredients that are hydrolyzed. Hydrolyzed ingredients are those in which the molecules have been mechanically broken down to a micro-size that can be absorbed deep in the hair strand. Most daily leave-in or rinse-out conditioners do not fully penetrate the hair shaft. They are designed to work quickly by coating the hair and relieving tangles until the next day’s wash. A deep conditioner, generally designed for weekly use, will need 15 to 20 minutes to penetrate and require a form of heat for maximum moisture.

Heat sources, whether plastic wraps heated by body temperature, electric heating caps, bonnet dryers or steamers, often are used in combination with deep conditioners to encourage maximum penetration and effectiveness. Deep conditioners are generally used on freshly washed hair that has been air-dried or towel-dried lightly. Using deep conditioners on unwashed hair, however, is effective for some, provided the hair is not overly dirty and is washed immediately after conditioning. The best deep conditioners rinse clean, leaving behind no build-up or artificial shine enhancers.

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anon346850
Post 4

I am looking for a good deep conditioner that does not have silicones, and is more on the natural side. I have been looking for the natural cantu, but have had no luck with locating it. Any other suggestions?

anon329629
Post 3

There's a deep conditioner by the Cantu line called Shea butter natural hair deep treatment masque. It's a new product for me still, but I checked all the ingredients and there were no drying alcohols and it was paraben free, silicone free, and free of sulfates, with no mineral oil and no PABA or DEA. And there was a huge list of quality oils like soy, almond, avocado and olive, along with aloe vera, amino acids and even a cationic ingredient. For people with curls and coils, it helps to reduce fly-aways and frizz and makes the hair smoother and easier to comb. These ingredients increase the effect of your conditioner.

anon222092
Post 2

Yes, please! We are looking for the best ones for dry, stripped, over-processed hair. Drop some name brands.

anon155897
Post 1

Could you please recommend some deep conditioners that consist of high quality ingredients, which do not contain silicone, wax or drying alcohol? Thank you.

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