Author Archives: Donald B. Yoo, M.D.

About Donald B. Yoo, M.D.

Dr. Yoo is a board-certified surgeon, fellowship trained in facial plastic surgery with extensive experience in cosmetic and reconstructive surgery. He specializes in rhinoplasty, revision rhinoplasty, facial rejuvenation surgery (including blepharoplasty and facelift), and Asian cosmetic surgery (including Asian rhinoplasty and Asian blepharoplasty/Asian eyelid surgery). see more: https://donyoomd.com 433 N Camden Drive, Suite 970 Beverly Hills, CA 90210 310-772-0766

Endoscopic vs. Deep-Plane Facelift: Which Technique Is Right for You?

Facial aging is highly individualized, and modern facelift techniques are tailored to address specific anatomical changes. Two commonly performed approaches are the endoscopic facelift and the deep-plane facelift. Understanding the differences between these procedures can help patients and surgeons select … Continue reading

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Polydeoxyribonucleotide (PDRN) / Polynucleotide (PN) and Rejuran® — current evidence and clinical perspective

Summary: Polydeoxyribonucleotide (PDRN) and related polynucleotide (PN) preparations — including the commercial product Rejuran® (salmon-derived PN/PDRN formulations) — are DNA-derived biopolymers investigated for tissue regeneration, wound healing, and aesthetic rejuvenation. Preclinical data support mechanisms via adenosine A₂A receptor activation, angiogenesis, … Continue reading

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Endoscopic Facelift & the “Ponytail” Lift — Evidence-Based Overview, Indications, Outcomes, and Recovery

Meta title: Endoscopic facelift vs. Ponytail lift — techniques, outcomes, and evidenceMeta description: A scientific review of endoscopic facelifting and the “ponytail” lift: mechanisms, indications, complication profiles, recovery timelines, and references for surgeons and informed patients. Introduction Minimally invasive facelifting … Continue reading

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How long does rib cartilage rhinoplasty last? Is DCF rhinoplasty permanent?

A very common question asked by man patients undergoing revision rhinoplasty, Asian rhinoplasty and ethnic rhinoplasty as these are the types of nose job surgeries frequently necessitating the use of cartilage in addition to what is available in the nose. … Continue reading

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How does Scultpra work and how does it differ from Juvelook?

Sculptra and Juvelook are in the class of biostimulatory fillers that rely on specific formulations of lactic acid to induce a controlled inflammatory wound-healing response in the skin for the purposes of volume restoration and wrinkle correction. Lactic acid has … Continue reading

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2025: A New Era of Personalization in Aesthetic Medicine

The aesthetics landscape in 2025 is undergoing a thoughtful transformation. Influenced by biotechnology, facial anatomy literacy on social media, and a cultural shift toward authenticity, the modern aesthetic consumer is smarter, younger, and more discerning than ever. The Rise of … Continue reading

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Exosomes in Aesthetic Medicine: What They Are and How They Work

In the world of advanced skin and hair treatments, exosomes are making headlines—and for good reason. They represent the latest frontier in regenerative medicine, helping to restore and rejuvenate the skin and scalp using the body’s own communication system. If … Continue reading

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The Latest FDA Approved Neuromodulator Letybo

Letybo (letibotulinumtoxinA) is a newer botulinum toxin type A formulation developed by Hugel, a South Korean biopharmaceutical company. It joins a growing list of botulinum neurotoxin serotype A (BoNT-A) products used in aesthetic and therapeutic medicine. The primary competitors of … Continue reading

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Lip injections for lip augmentation

Lip augmentation with hyaluronic acid (HA) fillers has quickly become one of the most commonly performed cosmetic medical procedures, and for good reason. Hyaluronic acid fillers have revolutionized aesthetic medicine since its FDA approval in 2003 by providing providers a … Continue reading

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What are the best facial chemical exfoliants?

The optimal choice of facial chemical exfoliants depends on individual skin type, concerns, and tolerance. Chemical exfoliants fall into three primary categories: alpha-hydroxy acids (AHAs), beta-hydroxy acids (BHAs), and polyhydroxy acids (PHAs). Each group possesses distinct physicochemical properties and dermatological … Continue reading

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