Sephora Makeup Formulation Project Assistant (Internship)

Closed The candidacy window for this position at Sephora has closed.

While this position is no longer receiving submissions as of March 31, 2026, we invite you to explore further opportunities at Sephora or browse all open roles.

Continue Your Search

We invite you to review more currently available roles:

Location
France
└Île-de-France
└Neuilly-sur-Seine
Employment
Internship
Seniority
Intern
Posted
Mar 31, 2026

About Sephora

Sephora Collection is the private-label beauty brand of Sephora, the global beauty retailer owned by LVMH. The brand focuses on trend-led, accessible cosmetics developed through cross-disciplinary R&D, product development and close collaboration with external manufacturers to deliver high-volume, retail-ready formulas.

Sephora Collection — Makeup Formulation Project Assistant (Internship) in Neuilly‑sur‑Seine, France.

Role & Responsibilities

  • Support the Innovation & Development team in selecting, testing and qualifying a portfolio of makeup formula developments from concept through industrialisation.
  • Collaborate with Marketing and Packaging Development on new briefs to propose technically and commercially viable formulation solutions and performance targets.
  • Design and supervise formula work with external manufacturers, accounting for packaging constraints and marketing requirements.
  • Run feasibility and risk-assessment studies, anticipate technical obstacles and propose mitigation plans to protect launch schedules and cost/margin objectives.
  • Coordinate stability, compatibility and performance testing; validate final formula, adjust shades and participate in on-line trials at manufacturing sites.
  • Work with Purchasing to align supplier choices with cost and margin targets and with Quality to define bulk specifications and ensure dossier transfer.
  • Contribute to claims management and the technical storytelling that supports product positioning and commercial impact.
  • Maintain the formulation catalogue and pilot reformulation projects when necessary; track schedules, report progress and drive corrective actions.

Qualifications

  • Bachelor's degree (Licence/B.Sc.) in Chemistry, Formulation Science or a related scientific discipline.
  • Prior technical experience or internships in cosmetic R&D, formulation or industrialisation preferred.
  • Strong problem-solving ability with pragmatic, results-oriented approach to project delivery.
  • Excellent oral and written communication skills; able to present technical recommendations clearly to cross-functional partners.
  • Availability for occasional travel to manufacturing sites and test laboratories.

Skills

Cosmetic formulation development Industrialisation and scale-up of formulations Stability and compatibility testing Risk assessment and feasibility studies Claims management and technical storytelling Project coordination and schedule tracking Specification writing and dossier transfer Cross-functional collaboration (Marketing, Purchasing, Packaging, Quality)

Experience

Early-career candidate; previous internships or entry-level roles in cosmetics R&D, formulation development or manufacturing are desirable but not mandatory.

Education

Bachelor's degree in Chemistry, Formulation Science or a closely related scientific discipline (Licence/B.Sc. level).

Workplace

This position is based in Neuilly-sur-Seine, Île-de-France, France, within easy reach of Paris.

Culture

Sephora Collection fosters a fast-paced, collaborative environment that values creativity, inclusivity and continuous learning. Teams work cross-functionally with a strong focus on product innovation, professional development and delivering consumer-driven beauty solutions.

About Cerulean

Cerulean is the definitive career portal for the global luxury industry. We match exceptional professionals with exclusive opportunities at the world's most prestigious brands. From haute couture and fine watchmaking to prestige beauty, hospitality, and boutique retail, Cerulean centralises luxury employment to help you find the career for which you were destined.

Frequently Asked Questions

A.

The luxury industry is characterised by a diverse and nuanced nomenclature. Esteemed houses frequently employ proprietary terminology, and even within a single organisation like Sephora, titles may vary across global markets to reflect local conventions. To ensure absolute clarity, Cerulean assigns a standardised, industry-coherent canonical title to every listing. However, it is worth noting that this role is functionally synonymous with «Formulation Development Intern — Makeup», «Makeup R&D Project Assistant (Intern)», «Cosmetic Formulation Project Assistant», «Product Development Intern — Makeup Formulas», and other variations. Our sophisticated search architecture anticipates these variations, ensuring that inquiries using related terms will seamlessly yield the exact roles you desire.