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Check the Local Frizz Forecast

Check your local humidity level--Click [edit]--enter your zipcode.

Everyone's hair reacts slightly different, so, having a bad hairday, check the humidity level to know how your hair changes..

Generally, these are normal humidity levels:

  • 20%--What you would expect in a desert.
  • 30% to 50% is recommended for homes by the EPA to inhibit growth of mold and bacteria.
  • 30% to 60%--relative humidity in a normal "air conditioned" environment, is what the AC and Heating folks say is acceptable. Below 30 percent, some people experience dryness in their nose and throat; over 60 percent, the air begins to feel uncomfortably sticky.
  • Above 75% is high-- definitely Bad Hair day range.

Vist the Hair by Chas Forum for tips and suggestions to avoid having a bad hair day

Keep the frizzies away!! Make an appointment with Chasity for the best style and cut for you.
Phone: 256-859-7805 ask for Chasity

The humidity levels are important to how you look. How you look is important to us. A while ago Fox News had an article, that said, looking at a pretty woman for 15 minutes a day increases a man's life span by 5 minutes. So, ladies I need those 5 minutes, so avoid those Bad Hair Days.

Your hair absorbs mositure from the air. This fact has been known forever. The length of your hair can change 2 to 3 percent, depending on the humidity level. If your hair is 10 inches long, this is almost a half of an inch. In 1783 Horace Benedict Saussure use this fact to invent a cool tool — a "hair hygrometer" — for measuring changes in humidity.
Want to make your own hair hygrometer? Check out these fun expermints.
Here is a slightly different model Make a Hair Hydrometer.

We recommend, get to know your Bad Hair Day humidity range. For, those important events, job interview, first date, check the Frizz forecast.

Here are a few tips from Kendra Van Wagner at

The best way to overcome the effects of humidity is to work with the natural texture of your hair. Rather than fighting to smooth and straighten curly hair, select a style that works with your natural waves. If your hair is straight, don't waste your time setting your locks into curls that will inevitably fall flat in the summer heat.

If humidity causes your hair to become limp and lifeless, the best solution is to get a layered haircut. Blunt cut styles leave too much weight on the length of the hair, causing it to lie flat against the head. This can be especially problematic for those with very thin, fine hair. Layers add dimension and texture throughout the hair, thus preventing limp locks even in humid weather.

One of the biggest styling problems created by humid weather is frizz, which often impacts those with curly or thick, course hair. The best way to combat frizz caused by humid weather is to start with a great haircut. For curly hair, choose a cut that is long and slightly angled. Longer hair will create more weight on the hair strands, helping to prevent excessive curling and frizz. Cuts that are angled or slightly layered will keep hair from looking too bulky.
Read the full aticle here: How to Maintain Your Hairstyle in Humid Weather - Find everything about hair, hairstyles and hairstyling on

Watch out for Humidity Attack!

Water in the air as humidity can also penetrate your hair shaft and loosen up those hydrogen bonds you worked so hard to create!

Dianna's Science Advice:

The best way to prevent "humidity attack" is to use hairspray on your finished hairstyle. The hold polymers in hairspray are the most humidity resistant polymers around. That's because hairspray polymers are not soluble in water alone- the water must be mixed with surfactants, like shampoo, to weaken hairspray bonds.

Dianna Kenneally, Physique Senior Scientist
The World of Hair Chapter 7 - The Science of Styling - Long Lasting Volume

Your Hair and Water---The Science

Ohio State University researchers completed the first comprehensive study of human hair on the nanometer level. Professor Bharat Bhushan and his colleagues examined hairs under an atomic force microscope (AFM), a tool that let them scratch the surface of hairs and probe inside the hair shaft with a very tiny needle.

Among their findings: hair conditioners typically do not evenly cover the entire hair shaft.

Under the electron microscope, individual hairs looked like tree trunks, wrapped in layers of cuticle that resembled bark. In healthy hair, the cuticle edges lay flat against the hair shaft, but as hair gets damaged from chemical treatments or wear and tear, the cuticle edges begin to peel away from the shaft. That much was already known.

The researchers simulated what happens when damaged hair is exposed to humidity; the hairs plump up, and the cuticles stick out even further, leading to frizz. More frizz meant more friction – a fact confirmed by the AFM as researchers dragged a tiny needle across the surface.

Conditioner tends to stick to the cuticle edges, and can make the hair sticky on the nanometer scale. The researchers determined that by poking the hair shaft with the needle, and measuring the force required to pull it away.

Armed with this knowledge, Proctor and Gamble (P&G)developed a new formula with additives to make the conditioner coat the hair evenly. In tests, Bhushan found that the new conditioner did coat hair more evenly.

Aquacurrent Science: Moving Moisture Where It's Needed from P&G Beauty Science

Aquacurrent Science, inspired by the discovery of aquaporins, is the basis of unique product formulations that utilize the natural properties of water to help move moisture where it's needed for the best possible results

Effect of water on wet and dry hair When hair is wet it swells up leaving it very fragile and more susceptible to breaking. In fact, wet hair is actually 33% more fragile than dry hair! While dry hair is strong, it becomes susceptible to the negative affects from high humidity levels. Not only does the hair style get ruined, but it can absorb up to 30% of its weight in water, making it more prone to breakage. It is therefore important that shampoos and conditioners address the needs of hair when both wet and dry.

"We've developed a shampoo and conditioner system designed for people with long hair to help control the rate at which moistures moves in and out of the hair to help prevent breakage from styling," says Teca Gillespie, P&G Beauty Scientist. These products work in two parts; wet conditioners protect fragile wet hair, and dry conditioners help promote moisture balance for dry hair.

Based on this research P&G launched new products in Aug. 2008.
Aquacurrent Science Product site.

More from P&G Beauty: Water Physics Helps Hair Grow Long and Strong

Learn more about The World of Hair through an on-line reference by Dr. John Gray, provided by the P&G Hair Color Research Center The World of Hair

This is the best resource, I have found on the web, for infomation about damaged hair, cause and solutions.