Manuela

Cosmetic Chemist / CEO & Founder

Manuela Valenti is the founder of By Valenti®, a cosmetic chemist, psychologist, and internationally recognized contemporary artist. With over two decades of multidisciplinary experience, she brings a uniquely rigorous and creative approach to skincare formulation and brand philosophy.

As the founder of By Valenti®, the only European skincare house in the U.S. producing authentic Castile soap, with nearly 20 years of experience in the U.S. market and a family heritage of Italian and Spanish soapmaking traditions dating back generations, she has been at the forefront of correcting misconceptions about Castile soap and advocating for authenticity in formulation. Through By Valenti, Manuela combines ancestral processes with modern science to create skincare rooted in minimalism, integrity, sustainability, and Mediterranean tradition.

At By Valenti®, Manuela leads product research and development, ingredient selection, and formulation strategy, ensuring every product reflects the brand’s commitment to efficacy, transparency, and environmental responsibility. Her background in psychology informs her consumer-centered approach, alongside her artistic practice they shape the sensory and visual language of the brand. Through her leadership, By Valenti® continues to set a higher standard for natural, science-backed honestly Italian skincare.

Ultimo entro Manuela

Aqua di San Giovanni: Tradition, Meaning, and Botanical Significance of St. John’s Herbal Water

Valenti's Journal

The True Origins of Beauty’s Take-Back Revolution: How By Valenti®’s Circular System Inspired an Industry

Valenti's Journal

Esplorando la sensorialità: come Valenti ha aperto la strada all'uso di un termine psicologico spagnolo nella cura della pelle

Il diario di Valenti

True Authentic Castile Soap Gentle for all Skin Types By Valenti NOT Dr. Bronner's
Qual è tutto il ronzio sul sapone di Castiglia

Formulazioni

Inflammaging: The Silent Driver of Premature Skin Aging

Skincare

by valenti organics manuela valenti founder of by valenti official
Dermatite 101 - La mia battaglia personale di oltre 50 anni con la dermatite da contatto

Giornale

Pigmenti minerali nei saponi e perché le persone con dermatite dovrebbero evitarli

Cosmetologia

La sorprendente verità sul falso Bakuchiol: effetti collaterali e come evitarli

Principi attivi

Facial Clay Masks Dos an Don'ts - By Valenti Organics Cruelty Free Skincare
Maschere facciali all'argilla, cose da fare e da non fare

Cosmetologia

Le preoccupazioni etiche e pratiche della bava di lumaca nella cura della pelle

Cosmetologia