The Greenhouse Effect (GHE) For Increased Hair Growth – Newsletter 16th September 2012

In This Issue:

  • The Greenhouse Effect (GHE) For Increased Hair Growth
  • Latest Articles on Black Hair Information
  • Hot Products

The Greenhouse Effect (GHE) For Increased Hair Growth

Beautiful textures products
What It Is

The greenhouse effect (GHE) is something that some of you may have come across in your hair journeys. It is a method that is used to stimulate and increase hair growth particularly if your growth is naturally slow.

Since it was first described, the method has remained a huge hit in forums for black andwhite hair alike. The method involves covering your hair with a plastic cap after moisturizing and sealing in order to create a ‘steam’ effect on your scalp overnight.

How It Works

The idea behind this method is that by creating warmth and moisture on your scalp, you are also creating the perfect environment to open pores and follicles and get that growth going. You could also give yourself a quick scalp massage before covering your hair for the night to enhance the growth effect.

How To Do The Greenhouse Effect

  1. Using a spray bottle spray your hair with water until very slightly damp.
  2. Apply oil to your hair (avoid getting too much oil on the scalp to prevent clogged pores).
  3. Tie your hair up into a lose bun at the top of your head and secure.
  4. Cover your hair with either a plastic cap if you can find one big enough or a plastic grocery bag will work pretty well too.
  5. Cover the plastic bag with your scarf or bonnet making sure that everything is secure for the night.
  6. In the morning allow up to 20 minutes for your hair to dry or else use a blow dryer on a cool setting to get rid of the excess moisture.
  7. Style your hair as usual.


The oil is optional, you can do the GHE with just plain water if you wish. It’s also worth mentioning that you can do the GHE with weaves or braids in which case use water only to prevent build up.

If you would like to use oil, try using growth promoting ones like MTG oil (smells a bit though!), Rosemary oilpeppermint oil or Basil oil. You may also want to include an anti-fungal oil likeTea Tree oil to prevent any infections in the warm moist environment that you are creating!

How Often To Do The GHE

If you are using oil it may not be a good idea to do the GHE every night because of the build up potential. A better routine would be every other night or 3 times per week so that you can wash your hair at the weekend. You could GHE on Monday, Wednesday and Friday nights then wash your hair as usual either on Saturday or Sunday. Of course if you are using plain water you can GHE nightly.

What To Expect

In the long term both relaxed and natural ladies should expect an increase in hair growth rate, up to double in some people. In the short term natural ladies will be left with soft shiny hydrated coils and curls while relaxed ladies will be left with soft hair that will look a bit poofy reminiscent of air dried hair. You will also have a very hydrated scalp.

Naturally you shouldn’t do the GHE if your hair is straightened!

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Latest Articles On Black Hair Information . . .

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About Alma

Hi! I'm Alma Ruddock, a full time blogger. I stumbled on a hair care forum in 2008 frustrated with my breaking relaxed hair and the information that I found there changed the fate of my hair forever!. I started as a way to help both myself and other women of color achieve their dreams of long healthy hair. I have now achieved my goal length and I continue to bring new information about hair on both this website and my personal blog.


  • ✔︎ Discover the truth about black hair growth
  • ✔︎ Identify tips that you can start using today
  • ✔︎ No expensive products to buy
  • ✔︎ Perfect for beginners!

  • Adriene Fields

    Add me to ur mailing list please.

  • Abby

    Great post Alma!

  • So how long do you exactly have to have all the caps and stuff on your head. I know it’s overnight, but is there a “perfect time” in hours for how long?