Dermatotoxicology: historical perspective and advances.

Area of Science:

• Dermatotoxicology
• Chemical safety assessment
• Skin health and exposure science

Background:

• Fundamental principles of dermatotoxicology established by Lehman and Draize over 50 years ago.
• The discipline is vital for managing risks from chemical exposure to the skin.
• Reflecting on the history and regulatory impact on dermatotoxicology.

Purpose of the Study:

• To provide an overview of dermatotoxicology, acknowledging its historical roots and evolution.
• To discuss key concepts including ADME, contact dermatitis, and transdermal delivery.
• To highlight various testing methods and specialized areas within the field.

Main Methods:

• Review of historical developments and regulatory influences in dermatotoxicology.
• Discussion of Absorption, Distribution, Metabolism, and Excretion (ADME) principles.
• Examination of traditional animal/human testing, alternative methods like QSAR, and specialized subfields.

Main Results:

• Dermatotoxicology principles remain relevant for evaluating chemical safety.
• The field encompasses diverse areas from basic principles to specialized applications.
• A range of testing methodologies, including in vivo and in silico approaches, are employed.

Conclusions:

• Dermatotoxicology is an indispensable scientific discipline for understanding chemical interactions with skin.
• Continued evolution of testing methods, including QSAR, enhances safety assessments.
• The field addresses diverse populations and anatomical sites, underscoring its broad applicability.