Hair Glossary

Anti-Humectant
Any type of substance that repels moisture.  It is also referred to as anti-humidity

In the world of hair, anti humectants are used to prevent frizz.  Sometimes they are specifically marketed as anti-frizz, anti-humidity, or anti-humectant

An anti-humectant or anti-humidity hair or beauty product is a moisture blocker.  It decreases the potential for frizz and texture reversion if the hair is straightened

Although many people who have naturally wavy, curly, coily, or kinky hair need and want hydration for their strands, sometimes too much moisture can be as problematic as too little

Silicone Is A Popular Anti-Humectant Ingredient

Silicones are popular ingredients in anti-humectant or anti-humidity hair care products.  

Most silicones are usually not water-soluble.  As a result,  they prevent any moisture in the air from penetrating your hair shaft.  
When using a silicone-based anti-humectant it results in the follicles expanding and contracting

How To Use Anti-Humectant Products
A popular way to use anti-humectants is in leave-in conditioners. 
In other cases, they are used as styling gels, mousses, creams, wax, pomades serums, sprays or similar. 
Another option is to use fruit micro-waxes that wrap the hair strands with a humidity-resistant formula

Many curly hair experts believe serums are the way to go to banish the frizzies, and just a dab of this anti-frizz serum will fight frizz and yield sleeker, shinier hair

Anti-Humectants Work Great To Prevent Hair Shrinkage or Loss Of Definition
Anti-humectant products work great for twist-outs, braid-outs, straight hair, and any stretched style.  It helps prevent those types of natural hairstyles from expanding, shrinking, and losing definition

Other anti-humectant ingredients include, but are not limited to:
ester
fresh dragon fruit
green apple extracts
lychee berry
maise
meadowfoam
Oils
argan
avocado
camellia oil
coconut oil to repel mother nature's moisture
flaxseed
Jamaican Black Castor Oil
jojoba
lychee
marula
palm
sunflower
Butter
mango butter
shea butter
Other Ingredients
aloe vera
beeswax
blue agave
coconut milk
green tea
guar bean
honey & ginger
pea protein
rosemary extract
Silk protein
sweet honey
John Frieda's Frizz Ease
John Frieda's Frizz Ease product line was one of the first anti-humectant serums made available to the natural hair market in the late 1990s. 

The original serum was eventually expanded to include a full line of products including shampoo, conditioners, and other styling products

The product line was acquired in 2002 by The Kao Corporation

Ouidad Advanced Climate Control Heat & Humidity Gel

Ouidad has been on the top of the anti-humectant product list since the late 1990s.  The Advanced Climate Control Heat & Humidity Gel
Humidity stands no chance with a gel that prevents frizz, flyaways, and the volume that the summer heat can bring. The wheat proteins combined with nano-technology formula are specifically designed to lock in moisture and keep humidity away.