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Glossary Hair Extensions

artificial or natural hair added to enhance length or volume

Hair extensions, also known as hair weaves or hair additions, are artificial or natural hair integrations that are added to a person's natural hair to enhance its length, volume, or fullness. They can be attached through various methods such as clip-ins, tape-ins, sew-ins, or bonding, and are commonly used for aesthetic purposes, to cover thinning areas, or to experiment with different hairstyles without making permanent changes.

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Research

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Surface Tension Guided Hanging-Drop: Producing Controllable 3D Spheroids of High-Passaged Human Dermal Papilla Cells and Forming Inductive Microtissues for Hair-Follicle Regeneration

research Surface Tension Guided Hanging-Drop: Producing Controllable 3D Spheroid of High-Passaged Human Dermal Papilla Cells and Forming Inductive Microtissues for Hair-Follicle Regeneration

62 citations , February 2016 in “ACS Applied Materials & Interfaces”

This study found that 3D microtissue models of dermal papilla cells can enhance the ability to induce hair-follicle neogenesis in vivo, offering potential for controlled cell production in follicle regeneration.

Targeting the Thy-1 Mechanotransduction Regulator Rescues Regenerative Wound Healing and Induces Hair Follicle Neogenesis Under High Tension

research Targeting the Thy-1 mechanotransduction regulator rescues regenerative wound healing and induces hair follicle neogenesis under high tension

August 2026 in “Cellular and Molecular Life Sciences”

This study investigated the role of the glycoprotein Thy-1 in hypertrophic scar formation using a murine model, finding that Thy-1 knockdown reduced scar size and encouraged functional regeneration by influencing the p38MAPK signaling pathway under high-tension conditions.

Evaluation Method of the Degree of Hair Damage: Measurement of Tensile Strength of Human Hair by the Multi-Point Tension Test Method

research Evaluation method of the degree of hair damage. (I). Measurement of tensile strength of human hair by "the multi-point tension test method".

1 citations , January 1987 in “Journal of Society of Cosmetic Chemists of Japan”

This study used a multi-point tension test method to evaluate hair damage over time and found it useful for assessing the effects of cosmetics and metal content on hair strength.

research Traction Alopecia Due to Traditional Hair Styles

3 citations , January 1981

This study describes a traditional Slovac hairstyle in Northeastern Yugoslavia that may contribute to a mild form of alopecia in middle-aged and older women.

research Ten pearls every dermatologist should know about the appropriate use of relaxers

4 citations , July 2016 in “Journal of cosmetic dermatology”

This review discusses the potential risks and effects of chemical relaxers on hair and scalp health, reporting no new clinical results; the authors emphasize dermatologist guidance to mitigate these issues.

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Community Join

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community Scalp tension/pain = Hair loss?

in Chat 1 upvotes 7 months ago

Hair loss was triggered by a testosterone and Masteron cycle, causing scalp tension and shedding. Topical finasteride, RU58841, and oral minoxidil were used to stop shedding and improve scalp condition.

community Neck tension, and hair loss, I am 100 percent sure that there is a connection

in Treatment 19 upvotes 2 years ago

The user believes neck tension and poor posture contribute to hair loss, noticing improvements with yoga and muscle relaxation. Replies suggest androgenic alopecia as the cause and recommend exercises.

community The Real Reason For Hair Loss?

8 months ago

Hair loss is linked to scalp fibrosis and tension, which result from chronic mechanical stress and androgenic signaling. Treatments include blocking androgens with finasteride, promoting hair growth with topical minoxidil, and improving scalp mobility through exercises.

community Hi-c5 protein, explains why the mechanical tension theory may be correct.

22 upvotes 3 weeks ago

Hair loss may be influenced by mechanical tension and inflammation, with the hi-c5 protein amplifying androgen effects, leading to follicle miniaturization. Treatments like finasteride, minoxidil, and scalp massages are suggested to manage hair loss.

community Does Scalp tension = rise of DHT?

in Research/Science 9 upvotes 1 year ago

Scalp tension may contribute to hair loss by increasing DHT levels, with potential solutions like scalp massages and Botox. Concerns about finasteride's side effects were discussed, and some users shared personal experiences with alternative treatments like scalp massaging and Botox.

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Learn

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learn Botox

How does Botox target the tension that may be blocking your hair growth? Botox for hair loss is experimental and off-label: one small open-label pilot study of 50 men reported an 18% hair-count increase, but there is no placebo-controlled trial and the proposed scalp blood-flow mechanism has never been measured in patients.

learn Hair Fibers

cosmetic product that temporarily makes hair appear thicker

Do hair fibers really make thinning hair look fuller, or is it just an illusion? Hair fibers create an optical illusion of fullness but do not actually thicken hair.
How do you apply hair fibers correctly so they stay in place all day? Apply hair fibers to clean, dry hair and use a setting spray for better hold.
Can hair fibers be used along with medical treatments like minoxidil or finasteride? Yes, hair fibers can be used with minoxidil or finasteride without any chemical interaction.
All 4 questions on Hair Fibers →

learn Hair Multiplication

extract, clone, and reinsert your own hair cells

learn Hair Transplant

Hair transplantation moves DHT-resistant follicles from a donor area (back and sides of the scalp) into thinning or bald areas. The transplanted hair is generally permanent, though surrounding native hair can keep thinning.

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Clinics

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Experts

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Unscored
SMP Specialist
Hairo Fallas
Newark, NJ, United States

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Hairo Fallas