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Glossary leaves

flat, green structures on plants responsible for photosynthesis

In the context of biology, "leaves" are the flat, typically green structures that grow from the stems of plants. They are primarily responsible for photosynthesis, the process by which plants convert light energy into chemical energy to produce food. Leaves contain chlorophyll, which captures light energy, and have stomata, small openings that regulate gas exchange.

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Research

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research Leave the Fat, Skip the Bolster: Thinking outside the Box in Lower Third Nasal Reconstruction

34 citations , October 2004 in “Plastic and Reconstructive Surgery”

In this study, composite grafts were effectively used for reconstructing lower third nasal defects, providing good aesthetic outcomes with minimal complications and avoiding long scars associated with larger flaps.

research Development of a leave-in hair cosmetic formulation containing macadamia oil

June 2026 in “Institutional Repository of the Federal Technological University of Paraná (RIUT) (Federal University of Technology – Paraná)”

This study found that leave-in hair formulations with macadamia oil, especially at a 3.33% concentration, may improve frizz control and maintain stability, suggesting potential benefits for hair appearance.

research Evaluation of Antioxidant, Toxicological and wound healing Properties of Hibiscus rosa-sinensis L. (Malvaceae) ethanolic leaves extract on different Experimental animal models

22 citations , November 2016 in “Indian Journal of Pharmaceutical Education and Research”

This study found that ethanolic leaves extract of Hibiscus rosa-sinensis L. exhibited strong antioxidant activity and enhanced wound healing properties in mice, showing reasonable safety in toxicological evaluations without severe alterations.

research Valorization of Punica granatum L. Leaves Extracts as a Source of Bioactive Molecules

21 citations , February 2023 in “Pharmaceuticals”

This study reports that extracts from pomegranate leaves contain bioactive compounds with antioxidant, antimicrobial, and skin-beneficial properties, suggesting their potential use in nutraceutical and cosmeceutical applications.

research The leaves of Crataeva nurvala Buch-Ham. modulate locomotor and anxiety behaviors possibly through GABAergic system

16 citations , October 2018 in “BMC Complementary and Alternative Medicine”

In this animal study, the methanolic extract of Crataeva nurvala leaves was found to possess sedative and anxiolytic properties, potentially linked to GABAergic activity and certain neuroactive compounds.

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Community Join

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community Microneedling leaves scalp red for days

in Microneedling 7 upvotes 4 years ago

Woman with AGA uses microneedling, minoxidil, spiro, and laser for hair loss. Experiences redness and tenderness for three days after microneedling with Dermapen M8, asks if it's normal and the correct speed setting.

community Why leave minoxidil on the scalp for more than 30 minutes?

49 upvotes 2 years ago

Minoxidil should be left on the scalp for at least 4-6 hours for effective absorption, even if it feels dry after 30 minutes. The skin's interaction with the chemical continues regardless of the solution's evaporation.

community Optimal topical (leave in, not shampoo) caffeine concentration. Contradictions across studies.

in Research/Science 13 upvotes 3 years ago

One study suggests a 0.2% caffeine concentration is nearly as effective as 5% minoxidil for hair loss, while other findings indicate that concentrations between 0.001% and 0.005% are more effective, with 0.001% being the most effective. There is no clear consensus on the optimal caffeine concentration for hair loss treatment.

community No longer need a hat to leave the house. Praise Jesus. 12 months progress. 24 years old.

1219 upvotes 2 years ago

A 24-year-old shared his 12-month hair loss progress, using 1mg oral finasteride daily, Minoxidil spray twice daily, weekly derma stamping, daily Biotin, Saw Palmetto Shampoo, and occasional Ketoconazole shampoo. He experienced minimal side effects and significant hair density improvement, no longer needing a hat.

community Any merit to this daily leave in foam? Saw P/Caffeine

in Treatment 2 upvotes 2 years ago

The conversation is about hair loss treatments. The user considers using a foam with Saw palmetto, caffeine, and EGCG, but another user suggests just using finasteride.

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Learn

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learn Hair Transplant

Does FUT leave a scar and is it visible? FUT leaves a linear scar that may be visible with very short hairstyles.
Do hair transplants leave scars? Hair transplants can leave scars, but FUE typically results in minimal and less visible scarring.

learn GHK-Cu

Heard alopecia areata leaves scar-like spots? Some peptides are helping those areas regrow hair. Alopecia areata patches usually still have living follicles. Peptides are being studied as a possible add-on, but the evidence is small and early. See a dermatologist for treatment.

learn Ketoconazole

Ketoconazole: Does it work better if I leave it on my scalp longer? Leaving ketoconazole on your scalp longer may enhance its effectiveness.

learn Jojoba oil

Is jojoba oil better as a leave-in treatment or should it be rinsed out after a while? Jojoba oil can be used as a leave-in treatment for hydration.

learn peach leaf

learn Curry leaf

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