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Cosmetics Course
More than 2 million students worldwide

Cosmetics Course

4.6

Master the full spectrum of cosmetic science — from skin biology and ingredient chemistry to product formulation, safety compliance, and brand launch strategy. This course gives you the technical knowledge and practical skills the beauty industry actually demands. Whether you want to create your own products or advance your career, this is where serious cosmetic professionals are made.

Dedika for businesses

What you will learn:

You will build a deep understanding of cosmetic chemistry, skin biology, and the formulation principles behind skincare, hair care, and color cosmetics. You will learn how to design stable, safe, and effective products while meeting global regulatory requirements. The course covers sensory evaluation, consumer testing, and claim substantiation so your products can stand up to scrutiny. You will also explore sustainable formulation, fragrance science, and digital development tools. By the end, you will be equipped to take a product from concept brief all the way to a launch-ready market entry.

How you study in practice Cosmetics Course

How you practice Cosmetics Course

For companies looking to train their teams

With Dedika for businesses, the course includes exercises and examples tailored to your own business and the way your company needs.

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Course Content

8 Chapters • 40 LessonsDuration between 4 and 360 hours (you decide)

Chapter 1See details

Foundations of Cosmetic Science

  • Lesson 1 • Reading Ingredient Labels

    Decodes standardized ingredient nomenclature and concentration ordering on labels. Enables accurate ingredient sourcing and competitive benchmarking.

  • Lesson 2 • Raw Material Categories

    Classifies oils, waxes, humectants, emollients, and actives by function. Builds vocabulary needed for reading and writing formulation documents.

  • Lesson 3 • History and Industry Overview

    Traces cosmetics from ancient origins to the modern global industry. Provides context for understanding regulatory evolution and consumer expectations.

  • Lesson 4 • Product Type Classification

    Differentiates rinse-off, leave-on, and color cosmetics by regulatory and formulation criteria. Prepares students to select appropriate development pathways.

  • Lesson 5 • Cosmetic Chemistry Basics

    Introduces pH, emulsification, and solubility as they apply to cosmetic formulas. Connects chemical principles to product stability and performance.

Chapter 2See details

Skin Biology and Cosmetic Interaction

  • Lesson 1 • Skin Aging Mechanisms

    Explains intrinsic and extrinsic aging, collagen loss, and oxidative stress. Connects aging science to anti-aging ingredient rationale.

  • Lesson 2 • Skin Structure and Function

    Covers epidermis, dermis, and hypodermis layers and their roles. Links structural knowledge to ingredient penetration and product efficacy.

  • Lesson 3 • Ingredient Penetration Pathways

    Describes transcellular, intercellular, and follicular routes of skin absorption. Informs decisions about delivery systems and active concentrations.

  • Lesson 4 • Skin Types and Conditions

    Defines oily, dry, combination, sensitive, and acne-prone skin profiles. Guides product targeting and ingredient selection for each type.

  • Lesson 5 • Skin Microbiome Considerations

    Introduces the skin microbiome and its role in barrier health and inflammation. Highlights formulation choices that support or disrupt microbial balance.

Chapter 3See details

Core Formulation Principles

  • Lesson 1 • Anhydrous and Waterless Formulas

    Addresses balms, oils, and wax-based products that contain no water phase. Expands formulation range and reduces preservation complexity.

  • Lesson 2 • Preservation and Stability

    Covers preservative selection, challenge testing, and accelerated stability protocols. Ensures products remain safe and effective throughout shelf life.

  • Lesson 3 • Formulation Design Process

    Outlines the brief-to-bench workflow from concept to initial prototype. Establishes structured thinking for ingredient selection and phase assignment.

  • Lesson 4 • Emulsion Formulation Techniques

    Covers oil-in-water and water-in-oil emulsion construction, HLB values, and homogenization. Directly applies to creams, lotions, and moisturizers.

  • Lesson 5 • Surfactant-Based Formulations

    Explains cleansing system design using primary and secondary surfactants. Applies to shampoos, body washes, and facial cleansers.

Chapter 4See details

Color Cosmetics Formulation

  • Lesson 1 • Eye Cosmetic Formulation

    Formulates mascaras, eyeliners, and eyeshadows with ophthalmologist-tested safety standards. Addresses film-forming polymers and pigment dispersion for eye-area products.

  • Lesson 2 • Foundation and Complexion Products

    Covers liquid, powder, and cushion foundation formats with coverage and finish variables. Connects skin biology knowledge to complexion product design.

  • Lesson 3 • Lip Product Formulation

    Addresses lipstick, gloss, and liquid lip product construction with wax and oil ratios. Balances color payoff, wear time, and comfort.

  • Lesson 4 • Pigment Science and Selection

    Classifies inorganic, organic, and pearlescent pigments by optical properties and safety status. Guides pigment selection for shade development and regulatory compliance.

  • Lesson 5 • Color Matching and Shade Development

    Introduces colorimetry, undertone theory, and iterative shade adjustment techniques. Enables consistent color reproduction across batches.

Chapter 5See details

Hair Care Product Development

  • Lesson 1 • Styling Product Formulation

    Formulates gels, mousses, creams, and sprays using film-forming polymers and fixatives. Balances hold strength, humidity resistance, and sensory feel.

  • Lesson 2 • Scalp Care and Treatment Products

    Addresses scalp serums, tonics, and exfoliants targeting dandruff, oiliness, and hair loss. Integrates scalp microbiome knowledge into product design.

  • Lesson 3 • Conditioner and Treatment Formulas

    Covers rinse-out, leave-in, and deep-treatment conditioner construction using cationic polymers. Explains substantivity and detangling mechanisms.

  • Lesson 4 • Hair Structure and Biology

    Describes cuticle, cortex, and medulla anatomy and their role in hair properties. Connects structural knowledge to ingredient targeting and damage repair.

  • Lesson 5 • Shampoo Formulation

    Designs cleansing systems balancing sebum removal, mildness, and foam quality. Addresses sulfate-free and specialty shampoo formats.

Chapter 6See details

Cosmetic Safety and Regulatory Compliance

  • Lesson 1 • Safety Assessment Process

    Outlines the toxicological safety assessment workflow from ingredient review to product approval. Prepares students to compile safety dossiers.

  • Lesson 2 • Global Regulatory Frameworks

    Compares major regional regulatory systems governing cosmetic safety and claims. Identifies key differences in ingredient restrictions and notification requirements.

  • Lesson 3 • Labeling and Claims Compliance

    Covers mandatory label elements, claims substantiation, and prohibited claim types. Ensures product communication is accurate and legally defensible.

  • Lesson 4 • Good Manufacturing Practice

    Introduces GMP principles covering facility hygiene, batch records, and quality control. Links manufacturing standards to product safety and regulatory audit readiness.

  • Lesson 5 • Prohibited and Restricted Ingredients

    Reviews categories of banned substances and concentration-limited ingredients with rationale. Builds habit of pre-formulation regulatory screening.

Chapter 7See details

Sensory Evaluation and Consumer Testing

  • Lesson 1 • Sensory Science Fundamentals

    Defines sensory attributes—texture, spreadability, absorption, and fragrance—and measurement methods. Establishes vocabulary for communicating product feel.

  • Lesson 2 • Consumer Perception Studies

    Designs home-use tests, central location tests, and blind comparisons for consumer insight. Connects consumer feedback to reformulation decisions.

  • Lesson 3 • Clinical and In-Vitro Testing

    Covers dermatologist-tested protocols, corneometry, and in-vitro efficacy assays. Provides scientific evidence for moisturization, anti-aging, and SPF claims.

  • Lesson 4 • Instrumental Texture Analysis

    Uses rheometers, texture analyzers, and tribometers to quantify product feel. Bridges objective measurement with sensory panel data.

  • Lesson 5 • Claim Substantiation Strategy

    Builds a testing hierarchy linking study type to claim strength and regulatory acceptance. Enables cost-effective evidence generation for marketing claims.

Chapter 8See details

Product Development Strategy and Launch

  • Lesson 1 • Concept Development and Briefs

    Translates consumer insight and trend data into actionable product briefs. Aligns technical, marketing, and regulatory teams from project start.

  • Lesson 2 • Stage-Gate Development Process

    Applies a stage-gate model to manage formulation, testing, and approval milestones. Reduces development risk through structured decision checkpoints.

  • Lesson 3 • Scale-Up and Manufacturing Transfer

    Addresses challenges in scaling bench formulas to pilot and commercial batch sizes. Prepares technical transfer documents for manufacturing partners.

  • Lesson 4 • Launch Readiness and Post-Launch Review

    Compiles launch checklists covering regulatory, quality, and marketing deliverables. Establishes post-launch monitoring for safety signals and performance data.

  • Lesson 5 • Packaging Selection and Compatibility

    Evaluates primary packaging materials for formula compatibility, sustainability, and consumer appeal. Integrates packaging decisions into stability and regulatory planning.

Certification

Your valid completion certificate

This course is for you:

  • Aspiring cosmetic formulator: wants to move from curiosity to hands-on product creation.

  • Esthetician or beauty therapist: seeks deeper ingredient knowledge to serve clients better.

  • Indie brand founder: needs technical grounding to make confident product development decisions.

  • Career changer from science or healthcare: looking to apply existing knowledge in beauty.

  • Beauty retail professional: ready to step into a product development or brand role.

  • Self-taught hobbyist formulator: wants structured expertise to validate and expand their skills.

What our students say

Your classes are perfect. I purchased the one-year package and finally have the opportunity to follow various topics of interest without needing to switch platforms... I thank you for everything you do, I've already recommended you to other people...
Giulio Carlo
Giulio CarloDigital Marketing Student
I like how the lessons are straight to the point and how I can switch chapters and skip content I don't need.
Mariana Ferres
Mariana FerresPhotography Student
I like the content and the presentation style and video transcription, which speeds up the process!
Luciana Alvarenga
Luciana AlvarengaNail Design Student
The platform is fast, simple to use. The diversity of content and complementary videos really help with learning.
André Felipe
André FelipePrompt Engineering Student

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