IL Esthetician study guide
IL Esthetician · Work through your exam, one topic at a time.
The Illinois Esthetician licensure examination is the assessment step that stands between a completed esthetics training program and a license to perform skin care services on the public in Illinois. It is intended for candidates who have finished the required clock hours at an approved school and are ready to demonstrate both book knowledge and hands-on competence. The IL Esthetician study guide has 11 sections and about 3,032 words.
01Illinois Law, Rules, and Professional Ethics
Esthetics in Illinois is regulated under the state cosmetology statute and administered by the Illinois Department of Financial and Professional Regulation (IDFPR). To become licensed you must meet the minimum age requirement, complete the required clock hours of approved training in a licensed school (750 hours for estheticians), pass the state examination, and submit an application with the required fee.
339 words, about 2 min02Infection Control: Sanitation, Disinfection, and Safety
Sanitation is cleaning - physically removing soil and reducing microorganisms to a safe level on surfaces, floors, and linens. Disinfection kills most pathogenic organisms on nonporous implements.
295 words, about 1 min03Anatomy and Physiology
Cells form tissues, tissues form organs, organs form systems, and systems form the organism. Estheticians need working knowledge of the integumentary, skeletal, muscular, nervous, circulatory, lymphatic, and endocrine systems because each affects how skin looks and how treatments are given.
291 words, about 1 min04Physiology and Histology of the Skin
The epidermis is avascular and stratified. From the deepest layer up: stratum basale (cell division, melanocytes), stratum spinosum, stratum granulosum, stratum lucidum (palms and soles only), and stratum corneum (dead keratinized cells that desquamate).
251 words, about 1 min05Skin Disorders, Diseases, and Contraindications
Primary lesions include macule (flat color change), papule (small solid elevation), pustule (pus-filled), vesicle (small blister), bulla (large blister), wheal (edema, as in hives), nodule, tumor, and cyst. Secondary lesions include scale, crust, excoriation, fissure, ulcer, atrophy, and scar.
265 words, about 1 min06Client Consultation and Skin Analysis
The consultation protects the client and you. Collect a health history, medications, allergies, prior cosmetic procedures, products used at home, sun exposure, and pregnancy status.
270 words, about 1 min07Skin Care Products, Ingredients, and Basic Chemistry
Products are solutions, suspensions, or emulsions (oil and water held together by an emulsifier). Surfactants lift oil and debris; humectants (glycerin, hyaluronic acid) attract water; emollients soften; occlusives (petrolatum, dimethicone) seal.
276 words, about 1 min08Facial Treatments and Massage Techniques
Consultation and analysis, cleansing, exfoliation, steam and softener, extractions, massage, mask, toner and moisturizer, sun protection. A standard facial runs about 60 minutes with 15–20 minutes of massage.
255 words, about 1 min09Hair Removal and Lash/Brow Services
Clean the area, powder if needed, and apply wax in the direction of hair growth, then remove against the growth with the skin held taut. Hard wax suits coarse or sensitive areas and is lifted without strips; soft wax suits larger areas.
264 words, about 1 min10Advanced Esthetic Treatments and Equipment
Mechanical exfoliation includes scrubs, brushes, and microdermabrasion, which uses crystal or diamond abrasion to remove the stratum corneum. Chemical peels use AHAs, BHAs, or other acids to accelerate desquamation; depth depends on the acid, concentration, pH, and time on skin.
262 words, about 1 min11Business Practices, Professional Image, and Career Development
Know your business structure (sole proprietorship, partnership, LLC), your tax obligations, and your insurance - professional liability plus general coverage. Keep a written service menu with clear pricing, sanitation and consent policies, and a cancellation policy that clients sign.
264 words, about 1 min