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Glossary Preservatives

substances added to prevent spoilage and extend shelf life

Preservatives are substances added to products like food, cosmetics, and pharmaceuticals to prevent spoilage and extend shelf life by inhibiting the growth of microorganisms such as bacteria, fungi, and mold. In the context of hair care products, preservatives help maintain the product's efficacy and safety over time, ensuring that ingredients remain stable and effective without becoming contaminated.

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Research

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research Presentation, impact and prevention of chemotherapy-induced hair loss: scalp cooling potentials and limitations

62 citations , February 2011 in “Expert review of dermatology”

This review discusses the incidence, reversibility, and impact of chemotherapy-induced alopecia and concludes that scalp cooling is the most effective prevention method in most cases, though some questions remain.

research Preservation of Fertility in Transgender Men on Long-Term Testosterone Therapy: A Systematic Review of Oocyte Retrieval Outcomes During and After Exogenous Androgen Exposure

16 citations , June 2022 in “Transgender Health”

This review suggests that oocyte retrieval may be viable for transgender men on testosterone therapy, with potentially manageable effects on fertility preservation without requiring extensive hormone suspension.

Preservation of Melanoblasts in White Hair Follicles of Segmental Vitiligo Lesions: A Preliminary Study

research Preservation of melanoblasts of white hair follicles of segmental vitiligo lesions: A preliminary study

7 citations , May 2010 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology”

This preliminary study observed that melanoblasts are preserved in the white hair follicles of segmental vitiligo lesions.

Preservation of Sebaceous Glands and Peroxisome Proliferator-Activated Receptor Gamma Expression in Central Centrifugal Cicatricial Alopecia

research Preservation of sebaceous glands and peroxisome proliferator-activated receptor gamma expression in central centrifugal cicatricial alopecia

1 citations , July 2018 in “Journal of The American Academy of Dermatology”

This study observed that sebaceous glands were preserved in some patients with central centrifugal cicatricial alopecia, suggesting early gland loss may not be a key feature of the condition.

research Preservation of a specialized phenotype of dermal papilla cells of a human hair follicle under cultivation conditions

July 2017 in “Biology bulletin/Biology bulletin of the Russian Academy of Sciences”

This study found that cultivating dermal papilla cells in spheroids or with valproic acid most effectively preserves their phenotype in vitro, compared to a monolayer culture with BMP6 and vitamin D3, which only produces a short-term effect.

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community Help labing up hair preservations

2 years ago

The conversation is about making RU58841 solutions for hair loss treatment and sourcing ingredients for KB solutions. The user mentions using RU58841 powder from Shaanxi Greenyobiotech.

community Haircafe slams pp405 presentation. Are results really that bad?

64 upvotes 5 months ago

PP405 shows promise in activating dormant hair follicles and increasing hair counts but lacks detailed efficacy data compared to minoxidil and finasteride. Opinions are mixed, with some optimism and skepticism about its effectiveness.

community Pp405 full presentation on new topical

106 upvotes 5 months ago

A new topical treatment, PP405, shows promising results for hair regrowth, potentially outperforming existing treatments like finasteride and minoxidil. However, it may still need to be combined with DHT blockers for optimal results, and its long-term effectiveness remains uncertain.

community Pp405 AAD presentation tomorrow - fingers crossed - what to expect?

in Research/Science 84 upvotes 5 months ago

New hair loss treatments PP405 and VDPHL01 are discussed with skepticism and hope, alongside existing treatments like minoxidil and finasteride. Users express frustration over limited progress since the 1980s but remain cautiously optimistic.

community Anyone hear about Stemson's presentation at the 2021 Global Hair Loss Summit?

7 upvotes 4 years ago

Stemson's presentation discussed using induced pluripotent stem cell technology to create new hair follicles for treating hair loss. The conversation also mentions treatments like Minoxidil, finasteride, and RU58841.

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