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  1. May 03, 2017 · Hair is a derivative of the epidermis and consists of two distinct parts: the follicle and the hair shaft. The follicle is the essential unit for the generation of hair. The hair shaft consists of a cortex and cuticle cells, and a medulla for some types of hairs. Hair follicle has a continuous growth and rest sequence named hair cycle.

  2. Using conditional gene targeting in mice, we show that BMP receptor IA is essential for the differentiation of progenitor cells of the inner root sheath and hair shaft. Without BMPRIA activation, GATA-3 is down-regulated and its regulated control of IRS differentiation is compromised. In contrast, L …

  3. In order to recognize these distinct damage response strategies of the hair follicle in a clinical or histopathological context, we have used the well-established C57BL/6J mouse model of cyclophosphamide-induced alopecia to define pragmatic classification criteria for hair follicle dystrophy (e.g., structure and pigmentation of the hair shaft ...

  4. Type 1 hair is straight with no discernible curl or wave pattern. This type of hair tends to get oily and is usually shiny. It's shiny because the cuticles lay flat. Its round shape is why it's straight. Oil moves easily from the scalp along the hair shaft. It will require frequent washing to prevent oil build up.

  5. Type 2a Hair: Low-density waves with a loose S-shape pattern, smoother feel, and generally thinner strands. Type 2b Hair: Well-defined and moderately dense waves with a healthy dose of volume and medium-thick strands. Type 2c Hair: Extremely defined, tight waves with a close resemblance to the ringlets of curly hair.

  6. › products › define-shine-kitdefine + shine kit

    shape + define + defrizz + shine. $25 $36. 4.8 star rating. 19 Reviews. /. The name says it all! Define, defrizz and add shine for dream curls! Curl cream provides memory and light hold to all types of textured hair, while Ghost Oil™ controls frizz and adds shine for all-day softness. Add to cart.

  7. Jul 12, 2021 · Likewise, coarse hair will require heat to make conditioning treatments penetrate the shaft, whether you have wavy, curly or coily hair. As we can see, there are many different hair types, and each requires its unique formula of TLC.

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