Sara Buchan is a medical aesthetics specialist known for her extraordinary precision with a needle and her deeply integrative approach to beauty, biology, and well-being. As the founder of Poppi Wellness & Bio-Optimization, Sara blends advanced injectable artistry with evidence-based medicine, hormonal physiology, and cutting-edge genetics—creating results that are not only visually refined, but metabolically intelligent.

Sara holds a Bachelor’s degree in Psychology from Penn State, a Master’s in Psychology from NYU, and a Bachelor of Science in Nursing from NYU. She is currently completing advanced graduate coursework toward her Master’s in Nursing, continually expanding her clinical scope in integrative and aesthetic medicine.

This rare combination of psychology and medical training shapes Sara’s holistic approach: she treats not just the face, but the full physiological and emotional system behind it. With over a decade of clinical experience, she is known for meticulous technique, anatomical fluency, and natural, expressive results rooted in precision and restraint.

Beyond aesthetics, Sara specializes in methylation pathways, gut-hormone interactions, perimenopause physiology, and the genetics of neurotransmitter and estrogen metabolism. Her expertise in COMT, MTHFR, CYP pathways, and biochemical sensitivity allows her to craft personalized protocols that support mood, hormone balance, and overall vitality. Sara’s work is defined by scientific rigor, an eye for proportion, and deep care for the individual.