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GlossaryTannic Acid

polyphenol found in plants with astringent properties

Tannic acid, also known as tannin, is a type of polyphenol found in various plants, including oak bark, tea leaves, and certain fruits. It has astringent properties, meaning it can contract and tighten tissues, which is why it's often used in medical applications to treat minor skin irritations and in the food industry to add flavor and preserve products.

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research Tannic acid-functionalized 3D porous nanofiber sponge for antibiotic-free wound healing with enhanced hemostasis, antibacterial, and antioxidant properties

63 citations , June 2023 in “Journal of Nanobiotechnology”

The sponge heals wounds without antibiotics and has strong antibacterial and antioxidant properties.

Tannic Acid Modified Keratin/Sodium Alginate/Carboxymethyl Chitosan Biocomposite Hydrogels With Good Mechanical Properties And Swelling Behavior

research Tannic acid modified keratin/sodium alginate/carboxymethyl chitosan biocomposite hydrogels with good mechanical properties and swelling behavior

30 citations , June 2024 in “Scientific Reports”

The hydrogel shows promise for wound healing due to its strong mechanical, antimicrobial, and antioxidant properties.

research Tannic Acid Accelerates Cutaneous Wound Healing in Rats Via Activation of the ERK 1/2 Signaling Pathways

26 citations , April 2019 in “Advances in wound care”

Tannic acid helps wounds heal faster in rats by activating certain cell signals and reducing inflammation.

research Tannic acid and silicate-functionalized polyvinyl alcohol–hyaluronic acid hydrogel for infected diabetic wound healing

18 citations , January 2024 in “Regenerative Biomaterials”

The hydrogel helps heal diabetic wounds by reducing infection and inflammation.

research Nanofibrous Dressings Modified with Antibacterial Polylysine and Anti-inflammatory Tannic Acid for Infected Wound Healing

August 2025 in “Materials Today Bio”

The modified nanofibrous dressings effectively heal infected wounds by reducing bacteria and inflammation.

research A Photo-Crosslinked Casein-Tannic Acid System for Enhanced Hair Protection: A Green Chemistry Approach

June 2025 in “Polymers”

A natural, eco-friendly treatment using casein and tannic acid strengthens hair by 21% while keeping it elastic.

research Fabrication of Antibacterial and Flexible Hydrogels Based on Citric Acid Containing Tannic Acid for Wound Dressing

November 2024 in “Polymers for Advanced Technologies”

The hydrogel effectively heals wounds and kills bacteria.

Epigallocatechin Gallate and Tannic Acid Based Formulations of Finasteride for Dermal Administration and Chemoembolization

research Paper 2. Epigallocatechin Gallate and Tannic Acid Based Formulations of Finasteride for Dermal Administration and Chemoembolization

October 2020 in “Journal of Pharmaceutical Sciences”

Topical finasteride with EGCG or TA improves drug release and dermal uptake, potentially treating hair loss effectively.

Green Regenerative Hydrogel Wound Dressing Functionalized by Natural Drug-Food Homologous Small Molecule Self-Assembled Nanospheres

research Green Regenerative Hydrogel Wound Dressing Functionalized by Natural Drug‐Food Homologous Small Molecule Self‐Assembled Nanospheres

47 citations , November 2021 in “Advanced Functional Materials”

The new hydrogel dressing with natural molecules helps heal wounds faster and improves skin repair.

research Alkyl-Terminated Gold Nanoparticles as a Self-Therapeutic Treatment for Psoriasis

19 citations , October 2021 in “Nano letters”

Gold nanoparticles can safely and effectively treat psoriasis without drugs and have no major side effects.

Protection and Restoration of Damaged Hair via a Polyphenol Complex by Promoting Mechanical Strength, Antistatic, and Ultraviolet Protection Properties

research Protection and Restoration of Damaged Hair via a Polyphenol Complex by Promoting Mechanical Strength, Antistatic, and Ultraviolet Protection Properties

1 citations , July 2023 in “Biomimetics”

A new hair treatment using a natural polyphenol complex improves hair strength, reduces static, and protects against UV damage.

research Multifunctional nanomedicine targeting the 'seed-and-soil' of hair follicles via simultaneous alleviation of oxidative stress and activation of autophagy for androgenetic alopecia therapy

July 2025 in “Materials Today Bio”

TFC-loaded microneedles effectively promote hair regrowth in androgenetic alopecia.

Rapidly Gelling Sprayable Hydrogels Integrating Carbon Quantum Dots and Plant Extracellular Vesicles Enable Multifunctional Wound Care via Photothermal Management, Immunomodulation, and Ferroptosis

research Rapidly Gelling Sprayable Hydrogels Integrating Carbon Quantum Dots and Plant Extracellular Vesicles Enable Multifunctional Wound Care via Photothermal Management, Immunomodulation, and Ferroptosis

July 2025 in “Small”

A new sprayable hydrogel helps heal wounds faster and reduces inflammation.

research Leveraging Multifaceted Polyphenol Interactions: An Approach for Hair Loss Mitigation

January 2025 in “Advanced Materials Interfaces”

Tannic acid can reduce hair loss by 56.2% by coating hair and releasing beneficial molecules.

research Porous gradient hydrogel promotes skin regeneration by angiogenesis

May 2024 in “Journal of colloid and interface science”

The hydrogel helps skin heal by encouraging new blood vessel growth.

research An Overview of Herbal Ingredients with Anti-dandruff Activity in Shampoo Formulations

January 2023 in “International Journal of Research Publication and Reviews”

Some herbal ingredients like linalool and tea tree oil have anti-dandruff properties and are safe for use in shampoos.

Malate-Based Polyester Chemically Shielded Metal–Phenolic Networks Coated with Long-Lasting Antimicrobial and Anti-Inflammatory Performance for Infection Prevention in Artificial Hair Fibers

research Malate-Based Polyester Chemically Shielded Metal–Phenolic Networks Coated with Long-Lasting Antimicrobial and Anti-Inflammatory Performance for Infection Prevention in Artificial Hair Fibers

January 2022 in “Social Science Research Network”

A special coating was made for artificial hair fibers that can slowly release silver ions for up to 56 days, providing long-term protection against bacteria and inflammation.

research The Effect of Intermediate Treatment Using Natural Polyphenol Cross-linker on Perming Efficiency and Hair Protection

August 2021 in “Han'gug miyong haghoeji/Journal of the Korean society of cosmetology”

Using natural polyphenol cross-linkers like tannic acid and green tea extract in perm treatments improves curling and protects hair.

research Multifunctional NIR‐Triggered Nanozyme‐Based Microneedles for Synergistic Eradication of MRSA and Enhanced Wound Healing

1 citations , July 2025 in “Advanced Science”

The microneedles effectively kill MRSA and improve wound healing.

A Dynamically Crosslinked, Self-Adapting, Injectable Gelatin–Chondroitin Sulfate Hydrogel With Antibacterial and Antioxidant Properties for Treatment of Deep and Irregular Wounds

research A dynamically crosslinked, self-adapting, injectable gelatin–chondroitin sulfate hydrogel with antibacterial and antioxidant properties for treatment of deep and irregular wounds

4 citations , January 2025 in “Journal of Materials Chemistry B”

The hydrogel effectively treats complex wounds by promoting healing and preventing infection.

The Inhibition Activity of Tannin on the Formation of Mono-Species and Polymicrobial Biofilm by Escherichia Coli, Staphylococcus Aureus, Pseudomonas Aeruginosa, and Candida Albicans

research The Inhibition Activity of Tannin on the Formation of Mono-Species and Polymicrobial Biofilm Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa, and Candida albicans

17 citations , July 2019 in “Majalah Obat Tradisional”

Tannin effectively inhibits and degrades biofilms from certain bacteria and fungi.

research Non-Covalent Cross-Linking Hydrogel: A New Method for Visceral Hemostasis

7 citations , May 2024 in “Gels”

The new collagen and tannic acid hydrogel effectively stops bleeding and aids tissue repair better than current options.

research An in-depth review on the medicinal flora Rosmarinus officinalis (Lamiaceae).

69 citations , October 2014 in “PubMed”

Rosemary is a herb used to treat various health issues and stimulate hair growth.

Comparison of Three Different Lactic Acid Bacteria-Fermented Proteins on RAW 264.7 Osteoclast and MC3T3-E1 Osteoblast Differentiation

research Comparison of three different lactic acid bacteria-fermented proteins on RAW 264.7 osteoclast and MC3T3-E1 osteoblast differentiation

December 2023 in “Scientific reports”

Fermented soy protein may help prevent bone loss by affecting bone cell activity.

research Formulation and Evaluation of Herbal Hair Dyes from Tannin Producing Plants - A Substitute for Chemical Hair Dye

March 2021 in “International journal for research in applied science and engineering technology”

Herbal hair dyes from tannin-rich plants are effective and safer than synthetic dyes.

Health Promotion Potential of Vegetables Cultivated in Northern Thailand: A Preliminary Screening of Tannin and Flavonoid Contents, 5α-Reductase Inhibition, Astringent Activity, and Antioxidant Activities

research Health Promotion Potential of Vegetables Cultivated in Northern Thailand: A Preliminary Screening of Tannin and Flavonoid Contents, 5α-Reductase Inhibition, Astringent Activity, and Antioxidant Activities

10 citations , January 2017 in “Journal of Evidence-Based Complementary & Alternative Medicine”

Some vegetables from Northern Thailand show promise for health benefits, including hair loss treatment and antioxidant properties.

research Phytochemicals and Pharmacological Properties of Nyctanthes arbor-tristis: A Review

July 2024 in “International Journal of Pharmaceutical Sciences and Medicine”

Nyctanthes arbor-tristis is effective for treating many health issues.

research Ferulic Acid Induces Keratin 6α via Inhibition of Nuclear β-Catenin Accumulation and Activation of Nrf2 in Wound-Induced Inflammation

16 citations , April 2021 in “Biomedicines”

Ferulic acid helps wounds heal faster by reducing inflammation and promoting skin cell movement.

research Gallic Acid Nanocrystal Hydrogel: A Novel Strategy for Promoting Wound Healing and Inhibiting Scar Formation

13 citations , April 2025 in “International Journal of Nanomedicine”

The new gallic acid hydrogel speeds up wound healing and reduces scarring.

Lawsonia Inermis L.: An Updated Review Of The Ethnobotanical, Phytochemical, Pharmacological, And Toxicological Aspects In Unani Medicine

research LAWSONIA INERMIS L.: AN UPDATED REVIEW OF THE ETHNOBOTANICAL, PHYTOCHEMICAL, PHARMACOLOGICAL, AND TOXICOLOGICAL ASPECTS IN UNANI MEDICINE

January 2024

Henna has many medicinal uses but needs more research to confirm its benefits.