R&D Scientist Internship at Prose, France

BioTecNika Global; Paris; On-site; EUR 12,000 - 16,000; Full time

Job summary

Prose invites an R&D Scientist Intern to join its Paris-based team, supporting the development of personalized cosmetic formulations under supervision. You will collaborate with scientists in product development, scientific affairs, and cross-functional teams across manufacturing operations and marketing.

The internship offers hands-on experience in cosmetic formulation, ingredient assessment, and product innovation within a dynamic, AI-powered beauty tech environment.

Qualifications

• Currently enrolled in a Master’s degree program in Biology or Food Science.
• First-hand experience in formulation within a beauty company is an advantage.
• Fluency in French and English.

Responsibilities

• Identify and evaluate innovative ingredients for Prose formulation guidelines.
• Develop and optimize formula prototypes for personalized cosmetic products.
• Characterize formulas and assess product performance through in vitro evaluations.
• Collaborate with R&D and cross-functional teams to support product development.
• Contribute to personalized haircare and skincare formulations.

Skills

Cosmetics formulation

French & English

Interpersonal skills

Team collaboration

Education

Master's degree in Biology or Food Science

Job description

R&D Scientist Internship at Prose, France

Location: Paris, France

Qualification: M.Sc / MS

Experience: 0–2 years

Apply by: 7 Nov 2026

Start Date: January 2027

About the Company

Prose is a personalized haircare and skincare company that combines scientific research, customized formulations, and technology to create made‑to‑order beauty products. Its Paris‑based R&D team develops customized formulas using carefully selected ingredients and works alongside dermatologists to address individual consumer needs.

Prose also uses its proprietary AI‑powered beauty‑tech platform, Singular, to personalize products according to customers’ hair and skin characteristics, preferences, goals, and environments. The company is committed to inclusivity, innovation, and sustainability.

Internship Description

Prose is seeking a Formulation Scientist Intern to join its Research and Development team in Paris, France. The selected candidate will support the development of personalized cosmetic products while working under the supervision of the R&D Project Leader.

The intern will collaborate with R&D specialists in product development, scientific affairs, and product evaluation, as well as cross‑functional teams involved in manufacturing operations and brand marketing.

This R&D Scientist Internship offers an opportunity to apply scientific knowledge to cosmetic formulation, ingredient assessment, and product innovation.

Key Responsibilities

• Identify and evaluate innovative ingredients that comply with Prose’s formulation guidelines.
• Develop and optimize formula prototypes based on consumer needs and technical requirements.
• Conduct formula characterization and assess product performance through in vitro and in vivo evaluations.
• Collaborate with R&D experts and cross‑functional teams to support product development activities.
• Contribute to the development of personalized haircare and skincare formulations.

Educational Requirements

• Currently enrolled in a Master’s degree program in Biology or Food Science.

Skills and Qualifications

• First‑hand experience in formulation within a beauty company is an advantage.
• Knowledge of the cosmetics industry is desirable.
• Creativity, curiosity, and a problem‑solving mindset.
• Ability to work independently with minimal administrative support.
• Fluency in both French and English.
• Strong interpersonal and communication skills.
• Cross‑cultural sensitivity and the ability to collaborate effectively with diverse teams.

Why Choose Prose?

At Prose, interns can experience an innovative environment that combines scientific expertise, personalized beauty, and technology. The company’s culture emphasizes inclusive thinking, connected collaboration, individual ownership, creativity, and sustainability. Working with the R&D team provides an opportunity to understand how scientific research and formulation development contribute to customized consumer products.