# Working Student – Cosmetic Scientist / Formulator (all genders) at Yoshi

> Germany · Unspecified · Other · open. Source: https://alderhq.app/jobs/personio%3Ayoshi%3A2857750 (read 2026-11-10).

## Facts (observed)

- Company: [Yoshi](https://alderhq.app/companies/yoshi)
- Location text: Berlin
- Where it can be done from (inferred): Germany (evidence: "Location: Berlin")
- Posted: 2026-10-23 (18 days ago)
- First seen by alder: 2026-11-07 · last verified: 2026-11-08
- Reposted: 0 times · edited: 0 times
- Apply on the employer's site: https://yoshi.jobs.personio.de/job/2857750

## Pay and sponsorship

- Posted pay: not posted
- Market band for similar posted roles (Berlin, n 274): p25 €42k, median €53k, p75 €75k

## Description (the employer's text)

### About the role:

This role sits within Edeneve, our cosmetics brand built within the Sunday Natural and Yoshi en ecosystem. Edeneve focuses on high-quality skincare with a strong emphasis on natural ingredients, transparency, and modern formulation science. We are looking for a Working Student in Cosmetic Science (all genders) to join our formulation and R&D team on-site in Berlin. This role is hands-on and lab-focused, offering you the opportunity to take concepts from the lab bench directly toward market-ready products while working alongside senior formulation experts.

### So, what can you expect to work on?

Formulation Development: Assist in developing and optimizing skincare formulations with an emphasis on natural, active ingredients.

Hands-on Lab Work: Perform formulation trials, batch preparation, and sample creation in our laboratory.

Testing & Quality Control: Conduct stability tests, compatibility studies, and baseline quality assurance checks.

Raw Material Evaluation: Support the assessment of active ingredients, functional raw materials, and green alternatives.

PIF & Compliance Documentation: Maintain precise experimental documentation and technical specifications required for Product Information Files (PIFs).

Lab Standards: Help maintain laboratory instruments (pH meters, viscometers, centrifuges) and uphold clean lab operations.

GLP Adherence: Ensure all laboratory procedures strictly follow Good Laboratory Practice (GLP) and safety standards.

Cross-Functional Work: Collaborate with regulatory managers, product development leads, and external testing labs.

### What you offer us

Currently enrolled in a degree program in Cosmetic Science, Chemistry, Pharmaceutical Sciences, or a related field.

Initial practical or academic experience working in a formulation or chemistry lab setting.

Fundamental understanding of GLP/GMP guidelines and lab equipment operation.

Solid understanding of cosmetic formulation chemistry, particularly skincare emulsions and serums.

Passion for green chemistry, clean beauty, and sustainable active ingredients.

Structured, detail-oriented, and meticulous working style.

Availability for regular, part-time on-site work in our Berlin laboratory.

Fluent in English; German or other language skills are a plus.

### What does Yoshi en offer

Hands-on R&D Experience: Real laboratory work on live product pipelines and formulation launches.

Mentorship: Close collaboration with experienced industry scientists and senior formulators.

Product Discounts: Generous employee discounts across all Yoshi en & Edeneve product lines.

Paid Leave: 28 days of paid vacation per year plus up to 5 additional off-days between Christmas and New Year.

Health & Transit: Urban Sports Club membership allowance and BVG public transport subsidy.

Modern Workspace: Located at Grasblau in Berlin — a bright, sustainable office and lab space with unlimited organic tea and superfoods.

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Data: alder (https://alderhq.app). Cite https://alderhq.app/jobs/personio%3Ayoshi%3A2857750 and the date you read it. Observed facts come from the employer's own listing; location reach, level, family and skills are inferences.