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Our Story

Welcome to Dr. Berrettini's Mendocino Minerals, nestled in the scenic landscapes of Mendocino, California—a haven for natural cosmetics. Our 35-year journey has been shaped by the shared dedication of sisters Dr. Mia Berrettini and Heather Berrettini. 

Guided by their grandmother, Julia Celeri, both Heather and Mia were first introduced to cosmetics during their early years in the coastal sanctuary of Mendocino County. Some of their fondest childhood memories involved being with their grandmother when her beauty consultant would visit. Following these delightful moments, their grandmother would generously provide them with samples to play with. The experience ignited Mia's curiosity about makeup, setting the stage for her becoming a scientist. By the age of ten, Mia delved into studying the ingredients of various beauty products, exploring the world of cosmetics. Throughout their lives, this fascination remained a constant source of inspiration for both sisters.

Heather, present during these formative moments, fostered an early connection with nature. While Mia immersed herself in the world of chemistry, Heather's childhood experiences instilled in her a deep appreciation for the environment. Inspired by her fascination with the natural world, Heather later pursued studies in horticulture and sociology, earning her bachelor's degree at Humboldt State—an environmentally focused institution. Her unique blend of environmental awareness and social consciousness became integral to Dr. Berrettini's Mendocino Minerals ethos.

After earning her BS in Chemistry from Sonoma State, Mia continued to fuel her passion for chemistry, ultimately achieving a PhD in Organic Materials Chemistry from UC Santa Barbara. This extensive education laid the foundation for her expertise, serving as the cornerstone of our formulations. Returning to their Mendocino County roots as adults, Mia and Heather's concerns about conventional makeup sparked a collaborative vision for cosmetics aligning harmoniously with nature.

Through unwavering dedication, hard work, and a commitment to honesty, quality, and innovation, Dr. Berrettini's Mendocino Minerals emerged as a testament to the collaborative spirit of the Berrettini sisters. Today, our natural cosmetics embody the perfect blend of luxury, science, health, transparency, and quality. Join us on this authentic journey, where the Berrettini sisters continue to redefine beauty through their dedication to nature-inspired, ethically crafted cosmetics.