Hair follicle drug testing facts & information

Growth cycles, Rates with table, Hair structure, and Hair Razor FAQ


How to Detox your body for a drug test: Hair or Urine 

 aloe rid aka zydot , ultra clean  shampoos study

Cocaine use and treatment




THC Is harder than people think because the final confirmation Is only .1pg /ml

lowering it is a given  KNOWING just how many treatments to get it pass 1pg  is the trick 

Typical treatment for daily use .5 g  is 60 treatments , the thing with THC is potency and amounts have a major influence and potency  is always a unknown number  

 If you had a pretest  you will have proof it works ,  just understand it only takes .1pg to trigger a positive for THC

 Cocaine or meth  incorporates the fastest  and cocaine binds the greatest  but the threshold is 200 to 500pg/ml  depending on the lab so its easier to get below the threshold .


THC has the lowest incorporation rate meaning it takes repeated use to register thus why they set the bar so low on the test of 1pg

You can pass a test at sub 200pg for all other drugs   but THC is all or nothing  and at 1pg  and .1pg confirmation , that's just residue of residue  

passing while dirty ( less than a month clean)  is very hard

It takes a month or more to truly get the system clean from regular THC use before clean hair will grow


If you are a regular daily user  of 

Half gram  THC average levels will be 20 + pg/ml  , One gram  35 + pg/ml , and so on


40 treatments ( double set)  produce a reduction of aprox 20 pg/ml


Review   Sent 8/7/2013

I want to thank you for your product, which DOES work. As long as you are sure to consult and follow directions properly, you definitely can lower your levels enough to pass provided you do enough of the treatments, and basically I would recommend doing AS MANY as time and funds allow you to do. The reason I say that is because after several years, 10+ of Heavy High Grade medical marijuana use,
 I had a hair follicle test after trying Mac method, Omni shampoo, AND Zydot shampoo TOGETHER and the results gave me a 32.8 pg/ml yikes. After using hair razor for 37 treatments, my levels re-tested by the same facility were at 10.7. so even though I did not actually pass my test, I still want to write a review to state that this stuff definitely works, but since the cut off levels for thc are so low due to haterism, I unfortunately did not pass however if there ever is a next time, I'm for sure using this product again just more of it. Thanks again, God Bless. 


(View Examples of Reduction levels based on Treatment vs. History)


December 1st, 2013 according to expecting SAMHSA mandatory guidelines our lab will evaluated all hair samples at 200pg/mg of hair cut-off levels for Opiates and Extended Opiates.

Hair screening test for the following classes of drugs:

Cocaine, Marijuana, Opiates, Phencyclidine (PCP),  Amphetamines (ecstasy)



  Screen Cutoff


  Confirmation Cutoff



  300 pg/mg
  300 pg/mg
 200 pg/mg
  300 pg/mg
  1 pg/mg
  1 pg/mg


  300 pg/mg
  300 pg/mg
  200 pg/mg
  300 pg/mg
  0.3 pg/mg
  0.1 pg/mg

self testing from lab screening levels are lower than normal so you can see exactly what the levels are






Marijuana Metabolite






Opiates (Cod, Mor, Her)




Ecstasy (MDMA)


Hair Dose Response

Low use  Medium use   High use

Hair 5-Panel Confirm cutoff (recreational) (daily/weekends) (constant)


Amphetamines 500pg/mg hair 500-2500pg 2500-7500pg 7500+pg

Cocaine 500pg/mg hair 500-2000pg 2000-10000pg 10000+pg

Opiates 300pg/mg hair 300-1000pg 2000-8000pg 9000+pg

Phencyclidine 300pg/mg hair 300-500pg 500-1000pg 2000+pg

Marijuana 0.3pg/mg hair Qualitative -  The low, medium and high concentration ranges for THCCOOH in hair were 0.050.24, 0.252.60 and 2.6333.44 pg/mg


Express Hair Follicle Drug Test

Hair Testing Methods

Hair analysis, which tests for the five most commonly abused drugs, follows procedures and policies also conformant to SAMHSA guidelines. This method of testing will reflect drug use over a period of approximately 45 days. Each sample is cut from the root end and weighed. It is then cut again into very small pieces that are intermixed in order to create a more uniform sample. A portion is then sent to the laboratory for screening. Drugs are extracted from the hair in liquid form, which is screened by immunoassay techniques using ELISA. Following this process, the sample may be reported as negative. If results are positive, a request is made to weigh out another portion of the original sample for confirmation testing.

The second portion of the original sample is subjected to washing, extraction and confirmation testing by GC/MS or CG/MS/MS. The sample will be confirmed as negative if there are no metabolites present or the result is below the cutoff. If there is a metabolite present or the result is above the cutoff, the sample will be confirmed as a positive.


The Hair System

The hair system is referred to as the pilosebaceous system. This hair system consists of the hair and its reproductive machinery, and is normally broken into four major parts:



All of our facial and body hair grows out of a depression or indention in the skin known as a follicle. This indentation is similar to what would be formed if you were to stick your finger into an elastic surface. Think of a balloon, your fingertip pushing into its surface -- the space created by your finger is like the canal of each hair follicle. And multiplied on a large scale represents the surface area of the skin that is covered by hair. 

So the inside of each follicle is much like the skin's surface. It's really just an invagination, or inward fold, into the skin with the added mechanism for producing a hair. And the depth, size, and the angle of this inward fold varies over the skin surface.  It is dependent on the location on the face or body, by our gender and genetic background, and by biochemical factors such as hormones. 

The lower portion of the follicle has an expanded shape and is called the follicle bulb. Within this bulb, there is an area of actively dividing cells called the hair matrix. This is the source of hair production.

The follicle and the hair it produces continues through repeated cycles of growth and rest. 


At the base or bottom of the follicle lies a tiny structure made of dermal (related to the skin) cells called the papilla.  This tiny organ, indented into the bottom of the hair bulb, feeds the newly formed hair cells from its blood supply.  These newly formed hair cells grow continuously, and die continuously,  forming a keratinized structure -- the hair shaft.  The hair shaft continues to grow outward from the follicle base.  Other keratinized structures found in mammals include nails, horns, and hoofs. 

The area of the hair bulb/papilla is the main location that is targeted for destruction by permanent hair removal methods.  But, another area needs to be targeted, too.  It is an adjacent area that contains undifferentiated cells, called stem cells, that may maintain the follicle's life, allowing it to continue into another growth cycle if not destroyed as well.  The measure of any permanent hair removal method is a combination of properly destroying the hair bulb/papillary region and the stem cells while leaving adjacent structures no more than minimally harmed. At TGIP, we have chosen the blend electrolysis method as providing the most effective means of achieving this result. 


Oil glands are what is known as sebaceous glands. These glands are located close beneath the surface of the skin over the entire body.  A large number of oil glands are concentrated in the facial/beard area. The sebaceous glands are not always attached to a follicle.  But when it is attached to the follicle, its duct opening connects into the follicle near the skin's surface.  The oily material secreted is called sebum.  There may be more than one gland attached to the follicle.  Sebum lubricates the hair shaft and the skin.


The papillary region is often referred to as the "hair root," but in precise usage it is the hair portion which grows below the surface of the skin, or that which is contained within in the follicle canal.  And the hair shaft is the portion of the hair that grows above the skin surface.  In our writing, we refer to the hair root as the structure which is destroyed to provide permanent hair removal. 

The types of hair produced by the follicle are roughly broken into two categories: vellus and terminal.

Vellus hair is the "peach fuzz" type of hair that is normally found on a woman's cheek or a prepubescent child.  It is soft and downy, and lacks color (pigmentation). The follicles producing vellus hair are shallow, and the hair shaft produced is relatively short.  Vellus hair is normal in women and is not treated with permanent hair removal techniques.

Terminal hair is deeply rooted, coarse, and of color (pigmented).  It is the type of hair one attempts to remove in unwanted areas.  Terminal hair begins its development as the peach fuzz type, and later, has greater length than its neighbors (accelerated vellus stage), and finally begins to develop color and some degree of coarseness.  At this point, the hair is of a terminal type.  Terminal hair grows from the scalp, eyebrows, underarms, pubic area, and other parts of the body. 

Most often terminal hair develops from normal bodily changes. Beard growth and excess body hair in males is the result of puberty, as well as pubic and underarm hair in men and women.  With transgendered women, we are concerned with ridding unwanted hair which is the result of a normal systemic change.

There are other reasons for unwanted hair growth. These causes include disease, adverse effects from certain medications, and emotional changes (mind/body or psychogenic origin). 

The hair shaft of terminal hair, if cross-sectioned, is comprised of three layers.  The inner layer is called the medulla, the cortex (middle layer) makes up the majority of the hair shaft, and the outer layer, called the cuticle, consists of overlapping, flattened cells.

Terminal hair usually does not regresses to become vellus hair once again. The typical exception is male pattern baldness. Beard hair will not regress back to the peach fuzz type hair by the absence of male hormones, or the introduction of female hormones or anti-androgens.  However, body hair can be greatly reduced, or eliminated in areas, with the use of hormonal feminization therapies. 


          The Hair Growth Cycle


  • Anagen Phase - the active growth stage

  • Catagen Phase - the transitional stage of arrested growth

  • Telogen Phase -  the resting stage of the hair cycle


Hair growth continuously occurs as new hair cells are formed at the base of the follicle and molded by a structure, called the inner root sheath, that surrounds the growing hair shaft. Androgens, the male sex hormone (present in both men and women) activates specific areas of the body to produce hair.

Hair growth varies greatly between individuals and the specific area of the body. Scalp hair, as example, grows an average of one-tenth of an inch weekly. Leg hair, by contrast, grows at about half that rate. 

The life cycle of hair follicles, that is, the repeating cycle of growth and rest phases, affects overall hair production. No new hair follicles are produced after birth -- the appearance (and disappearance) of hair is the result of changing ratios in the growth/rest cycle.  This life cycle is distinguished as three separate stages:

The cycle of life for each follicle begins with the anagen phase  -- the reawakening of the follicle's growth stage where a newly formed hair begins to grow.  This growth phase continues for a time lasting for as little as several weeks (like the moustache area) or lasting as long as several years (like the scalp area). Depending on the area of the body, gender, hormonal and other factors, growth lasts for varying lengths of time.

But ultimately the level of growth begins to slow. This second stage of slowing or arrested growth is known as the catagen phase. This slowing continues into the third and final phase -- a period of inactivity or rest.  

Finally during the third stage, the resting or telogen phase, the hair has separated from papilla and is no longer able to be provided with nourishment.  At this point, no more new hair cells are formed and the inactive hair remains in place by a thin strand of epidermal cells. By the end of the telogen phase, the hair shaft is now only held in place mechanically, and can be shed by brushing, combing or other tension placed upon it. The hair shaft remaining in place at the end of its growth cycle is called a club hair.  It is not uncommon for a club hair to remain in place while a newly formed anagen hair is beginning to emerge, forcing the club hair to be shed. 

Whether the club hair is shed or not, the hair follicle will once again become active and begin to grow a new anagen hair. This process of growth and rest continues throughout our lifetime. In man, follicle activity is generally scattered between all phases of the life cycle.  Other mammals have a more orderly growth pattern, which shows as noticeable periods of hair growth and shedding. 



Hair Growth Tables

There are many factors that affect individual hair growth. These growth tables should only be used as a very generalized guide. 

 Body Area  Resting (%)  Growing (%)  Duration of Rest  Duration of Activity  Follicles /sq. cm  Daily Growth  Max. Depth 
 Scalp 13 85 3 - 4 months 2 - 6 years 350 0.35 mm 3 - 5 mm
 Eye Brows 90 10 12 weeks 4 - 8 weeks   0.16 mm 2 - 2.5 mm
 Cheeks 40 - 50 50 - 60     880 0.32 mm 2 - 4 mm
 Beard (Chin) 40 60 10 weeks 1 year 500 0.38 mm 2 - 4 mm
 Moustache 45 55 6 weeks 16 weeks 500   1 - 2.5 mm
 Arm Pit 70 30 12 weeks 16 weeks 65 0.3 mm 3.5 - 4.5 mm
 Pubic Area 70 30 weeks months 70   2 - 4.5 mm
 Arms 80 20 18 weeks 13 weeks 80 0.3 mm  
 Legs & Thighs 80 20 24 weeks 16 weeks 60 0.21 mm 2.5 - 4 mm



 Hair Drug Testing

Hair drug testing is the newest method of drug testing to be embraced by the drug testing industry. For some apparent reason, the general public is a bit baffled about hair drug testing, perhaps believing that a strand of hair could be tested for drugs is more urban legend than truth. Well, it can be said unequivocally that hair drug testing is quite real, used often in many settings, including employee drug testing, and is uniquely accurate. A stand of hair, whether its from the scalp or other body hair, can detect drug exposure for years. Some christen hair drug testing as a tree trunk whose rings can reveal its age upon examination.

So how does hair drug testing work?, some may ask. Let's delve into this a bit for better understanding. We'll use marijuana for our example since marijuana drug testing is by far and away the most popular test.

When marijuana (THC) metabolites are in the blood, they'll end up in the blood vessels, including those in the head, and get filtered through the hair. In basic terms, at least, this is how hair drug testing comes about. The marijuana THC metabolites will remain in the hair as a permanent record of drug use for months .

Hair drug testing can cost quite a bit more than a urine drug test, but is used because of its unique ability and effectiveness. A hair drug test involves cutting 50-60 strands of hair from the scalp, and sending the sample in to a drug testing lab where it is then liquefied. Average hair grows to inch per month, and hair drug tests use hair one and a half inches from the scalp.

Hair drug testing is quite accurate and can go back months, showing all of the toxins a person may have used in a sort of like a timeline fashion. For example, consider that hair is a living organism similar to a living plant. If that plant is grown in a toxic environment it will grow with this toxin or toxins as part of its molecular structure. One cannot change what their hair is made of nor can this molecular structure be removed of toxins at the root level, no pun intended. Masking hair is effective, but only lasts a few hours, and this is why some drug testing companies who claim they can clean hair virtually forever are flat out incorrect. A person's skin contains adipose tissue (fat cells), which is where most drug toxins are stored to begin with. Logic suggests when the body gives off skin oil or sweat, then these previously-hidden toxins will enter into the hair strand. Hair masking is not always easy, either. It's quite simple to contaminate masked hair by using a comb, brush or towel that hasn't been thoroughly cleaned. The same goes for hair gels and hair spray. This will weaken the masking treatment.

With hair and hair follicles being the proverbial next door neighbor to fat tissue, a sponge for drug metabolites and other toxins that are constantly being released back into the hair, combined with the fact that marijuana is oil based, it's very difficult to pass hair drug testing altogether.

However, reports to suggest hair drug testing cannot be used alone as evidence because they're supposedly isn't any forensic standards. A hair follicle test can only be used when substantiated by other evidence. So, if someone fails a hair drug testing procedure, they'd probably be instructed to undergo a follow-up confirmation hair test.




 Hair Collection Procedure

  1. Find an appropriate spot for hair collection, then twist a bundle of hair making sure the tightly twisted hair is more than 1/4 inch in diameter. This is almost always done in middle back of head

  2. While holding the tightly twisted hair in one hand, spread open the hair collection tube with the other hand, then enclose the twisted hair in the collection tube as close to the donor's scalp as possible.

  3. Place the twist tie around the hair below the plastic collection tube. This keeps the hair intact during shipping and also indicates the root end.

  4. Cut the hair bundle as close to the scalp as possible. Do not remove the collection tube from the cut hair.

  5. Return the collection tube holding the hair to its original position in the hair collection tube holder. Do not remove the twist tie.

For hair that was longer than 2 inches, the 2 inch segment closest to the scalp was used for testing. The hair on some of the children was shorter than 2 inches. For these children, loose hair was cut from the back of the head as close to the scalp as possible.


DISCLAIMER: Statements made on this web site are for informational purposes only and are not intended to be substituted for the advice of a medical professional. You should read all product packaging prior to use. Information and statements have not been evaluated by the Food and Drug Administration and are not intended to diagnose, treat, or prevent any disease or medical condition. We do not condone or encourage illegal activity. You understand and agree that our products are not to be used for any illegal purposes, including use for lawfully administered drug tests.


Hair follicle drug test

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