chapter  21
12 Pages

Role of Emollients and Emulsifiers in Sunscreen Formulations

Introduction 450

What Are the Functions of Cosmetic Emollients

in Sunscreen Emulsions? 450

Solvent Properties 450

Pigment-Dispersing Properties 451

Increased UV Absorption 453

Spreading Properties 454

What Are the Functions of Emulsifiers in Sunscreen Emulsions? 455

O/W Emulsifiers 456 W/O Emulsifiers 457

Technology for New Sunscreen Applications: Phase Inversion

Temperature Emulsions 457

Conclusions 459

Acknowledgments 460

References 460

INTRODUCTION

In recent years innovative products with high sun protection factors (SPFs) have

shaped the global sun care market.