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Glossary Absorption

process of substances entering cells or tissues

Absorption refers to the process by which substances, such as nutrients, chemicals, or medications, are taken up by cells or tissues. In the context of hair and skin, it often involves the uptake of topical treatments or nutrients through the skin or hair follicles, which can influence hair health and growth. For example, minoxidil, a common treatment for hair loss, is absorbed through the scalp to stimulate hair follicles.

Related Terms

Research

5 / 1000+ results

research Relationship Between Contact Time of Applied Dose and Percutaneous Absorption of Minoxidil From a Topical Solution

25 citations , June 1990 in “Journal of Pharmaceutical Sciences”

This study found that minoxidil absorption through the skin increased with longer contact times, reaching over 75% of the maximum absorption within four hours.

Hair Follicles Contribute Significantly to Penetration Through Human Skin Only Shortly After Application as a Solvent Deposited Solid in Humans

research Hair follicles contribute significantly to penetration through human skin only at times soon after application as a solvent deposited solid in man

94 citations , May 2011 in “BJCP. British journal of clinical pharmacology/British journal of clinical pharmacology”

This study found that hair follicles contribute significantly to caffeine absorption shortly after topical application, with a faster absorption rate compared to the stratum corneum.

research Food Administration and Not Genetic Variants Causes Pharmacokinetic Variability of Tadalafil and Finasteride

1 citations , October 2023 in “Journal of personalized medicine”

In this study, researchers investigated genetic variants in pharmacogenes affecting tadalafil and finasteride pharmacokinetics, finding fed volunteers had higher drug exposure than fasting individuals, but genetic variation did not significantly impact pharmacokinetics after correcting for multiple comparisons.

The Endoscopic Surgical Monitoring System-Guided Impact Factors Exploring Blood Loss and Fluid Absorption During Plasmakinetic TURP: A Prospective Study in High-Risk BPH Patients

research The endoscopic surgical monitoring system-guided impact factors exploring of blood loss and fluid absorption during plasmakinetic TURP: a prospective study in high-risk BPH patients

November 2025 in “BMC Urology”

This study reports that prostate volume, operation time, resected tissue weight, and smoking increase risks of blood loss and fluid absorption during PK-TURP, while finasteride treatment and surgeon experience may reduce these risks.

research Absorption sites of orally administered drugs in the small intestine

55 citations , September 2017 in “Expert Opinion on Drug Discovery”

This review examines the main absorption sites and influencing factors for orally administered drugs, highlighting variables such as solubility and gastrointestinal conditions that affect drug absorption in the small intestine and the development of effective drug delivery systems.

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Community Join

5 / 1000+ results

community Minoxidil Max Ru58841 with PG absorption time

4 upvotes 4 years ago

The conversation discusses the absorption time of a mixture of Minoxidil, RU58841, and stemoxydine on the scalp, questioning if one hour is sufficient. It is categorized under Finasteride/Dutasteride treatments.

community Topical finasteride absorbtion time? Does sauna increase absorption?

2 upvotes 2 years ago

community New topical Dutasteride from Moogene will have 20 times better scalp absorption than oral Dutasteride. And much lower system absorption.

in Finasteride/Dutasteride 178 upvotes 4 years ago

A new topical Dutasteride with 20 times better scalp absorption being developed and tested for release in 2023; use of existing drugs, such as Minoxidil and finasteride; and mesotherapy as an alternative hair loss treatment.

community Natural sweetener Stevia found to turbocharge male pattern baldness treatment: Mice given Stevia patch had 18 times better absorption of minoxidil and hair coverage of 67.5% in bald areas after just 35 days.

1741 upvotes 8 months ago

Stevia microneedles increased minoxidil absorption and hair growth in mice. The conversation humorously questions the applicability of these results to humans.

community This is a really interesting mix. I've read that treinoin can help minoxidil absorption, but this is the first time I've seen them combined in one solution

13 upvotes 10 months ago

A user discusses a hair loss treatment combining minoxidil and tretinoin, noting it may enhance absorption. Some users express interest and share positive experiences, while others question its effectiveness without medical evidence.

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Learn

8 / 801 results

learn Dutasteride

Heavy duty finasteride that comes with higher risks

learn Tretinoin

the gold standard retinoid in dermatology that's also helpful for hair regrowth alongside Minoxidil

learn sh-Polypeptide-7

learn Overview

learn Osteopontin

signaling protein that, when suppressed, may grow hair by reducing inflammation and stem cell loss

learn oleic acid

Does Oleic Acid improve absorption of other topical hair treatments? Yes, oleic acid can improve the absorption of other topical hair treatments.

learn retinol

Can retinol help enhance the absorption of ingredients like minoxidil or peptides? Retinol may enhance absorption of minoxidil and peptides by modifying skin barrier properties.

learn Vitamin C

Can Vitamin C improve the absorption of other hair-supporting nutrients? Vitamin C can enhance the absorption of certain nutrients beneficial for hair health.

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