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Artistic portrait of Manuela Valenti founder of By Valenti

Manuela

Chimica cosmetica / CEO & Fondatrice

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.

Latest from
Manuela

Artistic portrait of Manuela Valenti founder of By Valenti
By Valenti® and the Reality of Trademark Erosion in Women-Led Brands
Close-up of a woman applying By Valenti's lip whipped souffle with a brush
Hyaluronic Acid in Lip Care: Why It May Be Working Against Your Lips
Close of back of the label of BY VALENTI Liquid Castile Soap in a glass clear bottle with an aluminium cap displaying their Return for Cash logo casting a long afternoon shadow on a white background
The True Origins of Beauty’s Take-Back Revolution: How By Valenti®’s Circular System Inspired an Industry
White daisies, lavender flowers and chamomile flowers with in a bowl of water
Acqua di San Giovanni: tradizione, significato e importanza botanica dell'acqua alle erbe di San Giovanni.
Hand applying cream to a small wound on another finger against a blue background
When Eczema Isn’t Eczema: The Overlooked Fungal Infections Behind Chronic Skin Rashes
Close-up of a woman's eye with detailed eyelashes and skin texture.
Inflammaging: The Silent Driver of Premature Skin Aging
Close-up of a woman applying skincare product to their face.
The Fat-Over-Lean Principle: A Skincare Layering Technique Rooted in Art
La guida definitiva all'anti-invecchiamento: i benefici della vitamina A, del coenzima Q10 e della vitamina C
Close-up of a dropper being used to extract liquid from a bottle with a blurred background.
Le preoccupazioni etiche e pratiche della bava di lumaca nella cura della pelle
Esplorando la sensorialità: come Valenti ha aperto la strada all'uso di un termine psicologico spagnolo nella cura della pelle