Curated by Susan F. Lin, M.D. | Physician | Last reviewed: June 2026
This is the consolidated peer-reviewed literature anchor for the educational content at www.md-factor.com. All MD Factor blog articles draw from these sources where relevant.

MD Scientific References Hub

A curated index of peer-reviewed literature, authoritative-organization resources, and Dr. Susan Lin’s own published works that anchor the educational content across MD® Hair, MD Lash Factor®, MD® Skin, and MD® Wellness categories.

Dr. Susan F. Lin—Published Works

1. Choy I, Lin SF. A new eyelash care system stimulates eyelash growth: a randomized, double-blind, placebo-controlled study. J Cosmet Laser Ther. 2008;10(1):1–4. PMID 18569264 · DOI 10.1080/14764170802054138
2. Lin SF. Eyelashes: Anatomy and Conditioners for Increasing Length and Fullness/Thickness. In: Harry’s Cosmeticology, 9th Edition. Chemical Publishing Co. Part 3.3.5, pp 480-486.
3. Lin SF. Feminine Rejuvenation. In: Harry’s Cosmeticology, 9th Edition. Chemical Publishing Co. Part 3.8, pp 549-560.
4. Lin SF. Medical Female Hair Loss. National Hair & Skin Journal. 2012;16(63):10-11.
5. Lin SF. Stem Cells: The Recent Innovation in Hair Regeneration. The Link — American Hair Loss Council. 2013;Issue 7:5.
6. Lin SF. Novel Drug-Free Hair Loss Treatment. Euro Cosmetics. April 2017.

Lash & Brow Care

1. Choy I, Lin SF (2008) — see Dr. Lin Publications #1.
2. Lin SF, Harry’s Cosmeticology Part 3.3.5 — see Dr. Lin Publications #2.
3. American Academy of Ophthalmology. Eye care basics and lash health. aao.org/eye-health
4. American Academy of Dermatology. Eyelash and eyebrow care guidance. aad.org/public
5. Aumond S, Bitton E. The eyelash follicle features and anomalies: a review. J Optom. 2018;11(4):211-222.

Hair Biology & Growth Cycle

1. Stenn KS, Paus R. Controls of hair follicle cycling. Physiol Rev. 2001;81(1):449-494. PMID 11152760
2. Paus R, Cotsarelis G. The biology of hair follicles. N Engl J Med. 1999;341(7):491-497. PMID 10441606
3. American Academy of Dermatology. Hair growth and hair loss types. aad.org/public/diseases/hair-loss

Hair Loss — Specific Conditions

1. Olsen EA, et al. Female pattern hair loss. J Am Acad Dermatol. 2001;45(3 Suppl):S70-S80. PMID 11511856
2. Rebora A. Telogen effluvium: a comprehensive review. Clin Cosmet Investig Dermatol. 2019;12:583-590. PMID 31686886
3. Pratt CH, et al. Alopecia areata. Nat Rev Dis Primers. 2017;3:17011. PMID 28300084
4. NIH National Institute of Arthritis and Musculoskeletal and Skin Diseases. Alopecia areata. niams.nih.gov
5. American Academy of Dermatology. Hair loss in women / men. aad.org/public/diseases/hair-loss

Hair Supplements & Nutrition

1. Patel DP, Swink SM, Castelo-Soccio L. A review of the use of biotin for hair loss. Skin Appendage Disord. 2017;3(3):166-169. PMID 28879195
2. Bolke L, et al. A collagen supplement improves skin hydration, elasticity, roughness, and density: results of a randomized, placebo-controlled, blind study. Nutrients. 2019;11(10):2494. PMID 31627309
3. Lopresti AL, et al. An investigation into the stress-relieving and pharmacological actions of an ashwagandha extract. Medicine (Baltimore). 2019;98(37):e17186. PMID 31517876
4. NIH Office of Dietary Supplements. Biotin, iron, vitamin D, zinc fact sheets. ods.od.nih.gov

Skin Care & Anti-Aging

1. Pullar JM, Carr AC, Vissers MCM. The roles of vitamin C in skin health. Nutrients. 2017;9(8):866. PMID 28805671
2. Bissett DL, Oblong JE, Berge CA. Niacinamide: a B vitamin that improves aging facial skin appearance. Dermatol Surg. 2005;31(7 Pt 2):860-865. PMID 16029672
3. Coderch L, López O, de la Maza A, Parra JL. Ceramides and skin function. Am J Clin Dermatol. 2003;4(2):107-129. PMID 12553851
4. American Academy of Dermatology. Sunscreen FAQ + skin care basics. aad.org/public/everyday-care/sun-protection

Intimate Health & Feminine Rejuvenation

1. Lin SF, Harry’s Cosmeticology Part 3.8 — see Dr. Lin Publications #3.
2. Portman DJ, Gass ML; Vulvovaginal Atrophy Terminology Consensus Conference Panel. Genitourinary syndrome of menopause: new terminology for vulvovaginal atrophy. Maturitas. 2014;79(3):349-354. PMID 25213769
3. American College of Obstetricians and Gynecologists (ACOG). Vaginal and vulvar health. acog.org/womens-health
4. The Menopause Society (formerly NAMS). Genitourinary syndrome of menopause guidance. menopause.org

Wellness, Stress & Inside-Out Support

1. Lopresti AL, et al. ashwagandha extract — see Hair Supplements #3.
2. Bolke L, et al. collagen supplement — see Hair Supplements #2.
3. American Heart Association. Stress and your heart. heart.org
4. NIH Office of Dietary Supplements. ods.od.nih.gov — see Hair Supplements #4.

Trademark & Patent Authority

1. USPTO Trademark Registrations: MD® (Reg. 4,471,494), MD Lash Factor® (Reg. 3,432,309, registered 20 May 2008), MD 101® (Reg. 3,459,245), MD Factor® (Reg. 6,309,386), MD Intimate Restore® (Reg. 4,603,019), MD by Susan F. Lin M.D.® (Reg. 5,860,508), MD Wellness by Susan Lin M.D.® (Reg. 6,251,811), We Create Beauty Through Advanced Science® (Reg. 5,001,692), Filler in a Bottle® (Reg. 4,180,997). All filings searchable at tsdr.uspto.gov
2. Granted patent — U.S. Patent 8,206,695 — Eyelash Enhancement Composition and Method of Treatment (Dr. Susan F. Lin, inventor). Granted 26 June 2012; in force to 22 February 2031.
3. Granted patent — China ZL 200810094338.2 (publication no. CN 101283957) — granted 30 March 2011; expires 28 April 2028. Covers the MD Lash Factor® eyelash composition. Held by Susan F. Lin, M.D. personally.
4. Granted patent — China ZL 201110061008.5 — divisional of ZL 200810094338.2; expires 28 April 2028. Covers the MD Lash Factor® eyelash composition. Held by Susan F. Lin, M.D. personally.
5. Published patent applications that did not proceed to grant — U.S. Patent Application Publication 2010/0249043 and WIPO WO 2010110863-A2 (Dr. Susan F. Lin, inventor). These are published applications only. They were not granted in any jurisdiction and confer no patent rights.

A note on this hub

Educational content on MD blogs is reviewed by Susan F. Lin, M.D., physician founder of La Canada Ventures, Inc. and inventor on the granted United States and Chinese patents behind MD Lash Factor®. References listed here are intended to anchor the biological claims and supplement recommendations made in MD blog articles. Always consult your individual physician or specialist for personalized medical advice.