Profile Details

Create Project

★★★★★

☆☆☆☆☆

USD 45 /hr

★★★★★

☆☆☆☆☆

Hire Marize C.

South Africa

USD 45 /hr

Cosmetic Formulator & Contract Manufacturer | PhD Candidate Medicinal Plant Sciences | Botanical Actives | Researcher

Profile Summary

PhD Candidate in Medicinal Plant Sciences and founder of a small-batch cosmetic manufacturing business, combining bench-level formulation with regulatory documentation and botanical R&D. I develop and troubleshoot skincare, haircare, and body care formulations from initial concept, with particular strength in botanical/natural actives. I can assist with formulation design, external stability testing, documentation preparation and regulatory-compliant labeling. I have also collaborated and published several peer-reviewed articles and was one of the project managers for two published books. I've presented my research at various conferences including the Society of Cosmetic Chemistry South Africa conferences and the ISE-APSS International Congress. The services I offer include the following: *Custom cosmetic/skincare/haircare formulation development *Stability testing protocol design (execution via external lab partner) *Botanical/natural active ingredient selection *INCI ingredient list preparation *External stability testing protocol design *Regulatory/safety documentation support (RMID and PID as per client template, labeling compliance review) *Literature review assistance for both cosmetic and academic-based topics *Technical writing of research articles

Subject Matter Expertise

• ★ Medicinal Plants
• ★ Cosmetic & Skincare Formulation
• ★ Cosmetic & Personal Care Product Manufacturing
• ☆ Natural Product Chemistry
• ☆ Botany
• ☆ Ethnobotany
• ☆ Phytochemistry
• ☆ Biochemistry
• ☆ Immunoassay
• ☆ Biochemical Assays
• ☆ Enzyme Activity Assays
• ☆ Cell Biology
• ☆ Cell-Based Assays
• ☆ Cell Culture
• ☆ 3D Cell Culture
• ☆ Cytometry
• ☆ Material Sourcing
• ☆ Product Validation
• ☆ Product Compliance
• ☆ Concept Development
• ☆ Packaging Design
• ☆ Hypothesis
• ☆ Peer Review
• ☆ Research Methodology
• ☆ Literature Search
• ☆ Hair Care Product Formulation
• ☆ Personal Care Product Formulation

Services

• Writing
• Research
• Consulting
• Product Development

Writing Technical Writing, General Proofreading & Editing

Research Scientific and Technical Research, Systematic Literature Review

Consulting Scientific and Technical Consulting, Regulatory Consulting, Manufacturing Consulting

Product Development Formulation, Recipe Development, Product Evaluation, Product Validation, Manufacturing, Product Compliance , Concept Development, Product Launch Support, Packaging Design, Prototyping

Work Experience

Founder / CEO

Valoren Cosmetics (Pty) Ltd

February 2024 - Present

Research Associate

Cirebelle Fine Chemicals (Pty) Ltd

September 2025 - June 2026

Laboratory Technician

University of Pretoria

January 2019 - August 2025

Student Mentor

University of Pretoria

January 2024 - November 2024

Education

Doctorate Medicinal Plant Sciences (Plant and Soil Sciences)

University of Pretoria

July 2022 - Present

Masters of Science Medicinal Plant Science

University of Pretoria

January 2020 - July 2022

B.Sc. Honours in Medicinal Plant Sciences

University of Pretoria

January 2019 - December 2019

BSc Plant Sciences

University of Pretoria

January 2016 - December 2018

Certifications

• Certificate of completion - the 5-day entrepreneurship program with coaching, mentoring on business ideation, conceptualization and pitching of business plans

  Technological Higher Education Network South Africa (THENSA)

  July 2024 - Present

• Certificate of completion - Speak with Influence Virtual Coaching Program

  Dynamic Voice Company

  June 2022 - Present

• Attendance certificate - Diversity & Inclusion training

  The WorkWise Institute

  June 2022 - Present

• Certificate of achievement - International Business Etiquette

  Water research commission (WRC) GreenMatter Fellowship

  June 2022 - Present

• Certificate of completion - Emotional intelligence training

  Mindmanage

  June 2022 - Present

Publications

JOURNAL ARTICLE

Cuyler, Marize, Twilley, Danielle, Lall, Namrita (2026). Eczema: etiology, subtypes, therapeutic approaches and socioeconomic impact . Frontiers in Allergy.

Cuyler, Marize, El-Nashar, Heba A. S., Negmeldin, Ahmed T., El Baz, Aziza, Alston, Brandon, Lall, Namrita, Ashmaw, Naglaa S. (2025). GC-MS Analysis and Tyrosinase Inhibitory Potential of<i> Pimenta</i><i> dioica</i> Flower Essential Oil . Phyton - International Journal of Experimental Botany.

Mariz&#233; Cuyler, Danielle Twilley, Velaphi Thipe, Vusani Mandiwana, Michel Kalombo, Suprakas Ray, Rirhandzu Rikhotso-Mbungela, Arno Janse van Vuuren, Will Coetsee, Kattesh Katti, et al. (2024). Antihistamine and Wound Healing Potential of Gold Nanoparticles Synthesized Using Bulbine frutescens (L.) Willd . Nanotechnology, Science and Applications.

Cuyler, Marize, Twilley, Danielle, Thipe, Velaphi C., Mandiwana, Vusani, Kalombo, Michel L., Ray, Suprakas S., Rikhotso-Mbungela, Rirhandzu Shamaine, van Vuuren, Arno Janse, Coetsee, Will, Katti, Kattesh, V, et al. (2024). Antihistamine and Wound Healing Potential of Gold Nanoparticles Synthesized Using<i> Bulbine</i><i> frutescens</i> (L.) Willd . Nanotechnology, Science and Applications.

Cuyler, Marize, Lymperis, Panagiotis, Tomou, Ekaterina-Michaela, Payne, Bianca D., Lall, Namrita, Skaltsa, Helen (2024). Chemical constituents from Elegia tectorum and their chemophenetics importance . Biochemical Systematics and Ecology.

Gugulethu Mathews Miya, Ayodeji Oluwabunmi Oriola, Bianca Payne, Mariz&#233; Cuyler, Namrita Lall, Adebola Omowunmi Oyedeji (2023). Steroids and Fatty Acid Esters from Cyperus sexangularis Leaf and Their Antioxidant, Anti-Inflammatory and Anti-Elastase Properties . Molecules.

Gugulethu Mathews Miya, Ayodeji Oluwabunmi Oriola, Bianca Payne, Mariz&#233; Cuyler, Namrita Lall, Adebola Omowunmi Oyedeji (2023). Steroids and Fatty Acid Esters from <i>Cyperus sexangularis</i> Leaf and Their Antioxidant, Anti-Inflammatory and Anti-Elastase Properties . Molecules.

Cuyler, Marize, Miya, Gugulethu Mathews, Oriola, Ayodeji Oluwabunmi, Payne, Bianca, Lall, Namrita, Oyedeji, Adebola Omowunmi (2023). Steroids and Fatty Acid Esters from <i>Cyperus sexangularis</i> Leaf and Their Antioxidant, Anti-Inflammatory and Anti-Elastase Properties . Molecules.

Bibi Sharmeen Jugreet, Namrita Lall, Isa Anina Lambrechts, Anna-Mari Reid, Jacqueline Maphutha, Mariz&#233; Nel, Abdallah H. Hassan, Asaad Khalid, Ashraf N. Abdalla, Bao Le Van, et al. (2022). In Vitro and In Silico Pharmacological and Cosmeceutical Potential of Ten Essential Oils from Aromatic Medicinal Plants from the Mascarene Islands . Molecules.

Bibi Sharmeen Jugreet, Namrita Lall, Isa Anina Lambrechts, Anna-Mari Reid, Jacqueline Maphutha, Mariz&#233; Nel, Abdallah H. Hassan, Asaad Khalid, Ashraf N. Abdalla, Bao Le Van, et al. (2022). In Vitro and In Silico Pharmacological and Cosmeceutical Potential of Ten Essential Oils from Aromatic Medicinal Plants from the Mascarene Islands . Molecules.

Mariz&#233; Nel, Analike Blom van Staden, Danielle Twilley, Carel B. Oosthuizen, Debra Meyer, Siva Kumar, Masilamani E. Sobhia, Judey Pretorius, Namrita Lall(2022). Potential of succulents for eczema-associated symptoms . South African Journal of Botany. 147. Microsoft.AspNetCore.Mvc.Localization.LocalizedHtmlString 1105--1111. Elsevier {BV}

Mariz&#233; Nel, Surjeet Verma, Danielle Twilley, Tenille Esmear, Carel B. Oosthuizen, Anna-Mari Reid, Mariz&#233; Nel, Namrita Lall(2020). Anti-SARS-CoV Natural Products With the Potential to Inhibit SARS-CoV-2 (COVID-19) . Frontiers in Pharmacology. 11. Frontiers Media {SA}

BOOK CHAPTER

Medicinal Plants for Eczema Nel, Marize & Lall, Namrita. (2022). Medicinal Plants for Eczema. 10.1201/9781003108375-5 . Medicinal Plants for Cosmetics, Health and Diseases.