Section 2.4: Client Consultation, Intake, & Contraindications

Key Takeaways

  • The consultation includes completing the intake form, consent form, and client chart, followed by a step-by-step skin analysis (cleanse, observe, palpate, analyze).
  • Accutane (isotretinoin) is a strict contraindication for waxing and peeling; clients must be off the medication for a minimum of 6 months.
  • Pregnancy, epilepsy, metal implants, and pacemakers are major contraindications for services involving electrical currents.
  • A Wood's lamp uses UV light to reveal conditions: blue-white for healthy skin, purple for dehydration, yellow/orange for sebum, and brown for hyperpigmentation.
Last updated: July 2026

The Core of the Service: Client Consultation

The client consultation is the most critical phase of any esthetic service. It is a structured conversation and physical evaluation designed to determine the client's skin type, identify current skin conditions, discover potential contraindications, and establish realistic treatment expectations. A thorough consultation protects both the client from injury and the esthetician from legal liability.

Essential Client Documentation

Before any physical contact or analysis, three primary documents must be completed and reviewed:

  1. Intake Form (Client Questionnaire): This form gathers comprehensive background information. It includes:
    • Contact Information: Basic demographics.
    • Health History: Systemic conditions (e.g., high blood pressure, diabetes, thyroid disorders), pacemakers, metal implants, and allergies (especially to shellfish, aspirin, or nuts, which are common in skincare ingredients).
    • Medication Profile: Lists all oral and topical medications. This is critical because many medications affect skin sensitivity and healing.
    • Lifestyle Factors: Habits such as smoking, alcohol consumption, diet, sleep patterns, exercise, and sun exposure (tanning beds).
  2. Consent Form (Liability Waiver): A signed document indicating the client understands the treatment process, potential risks, and side effects. It represents the client's agreement to proceed with the proposed plan.
  3. Client Chart (Treatment Record): A running log of all services performed, products used, skin reactions, homecare recommendations, and adjustments made during subsequent visits.

The Skin Analysis Process

Once documentation is reviewed, the physical skin analysis follows a strict four-step protocol:

  1. Cleanse: The skin must be thoroughly cleansed to remove makeup, sunscreen, sebum, and debris, which can mask the true condition of the skin.
  2. Observe: The esthetician visually examines the skin under a magnifying lamp to assess follicle size, pigmentation distribution, vascularity, and lesions.
  3. Touch (Palpate): The esthetician feels the skin to evaluate elasticity, texture, temperature, and oiliness (lipid content).
  4. Analyze & Document: The findings are discussed with the client and recorded in the client chart to build the treatment plan.

Major Contraindications in Esthetics

A contraindication is a physical condition or medication that makes a specific treatment unsafe. Performing a service on a contraindicated client can cause severe skin damage, scarring, or systemic health issues.

  • Accutane (Isotretinoin): This oral prescription medication for severe acne causes extreme skin thinning, fragility, and delayed healing. It is a strict contraindication for all exfoliating treatments (chemical peels, microdermabrasion, enzymes) and waxing. Clients must be off Accutane for a minimum of 6 months (many guidelines recommend 12 months) before receiving these services.
  • Topical Retinoids (Retin-A, Tretinoin, Renova): These vitamin A derivatives accelerate cell turnover and thin the stratum corneum. Clients must discontinue topical retinoids for 3 to 7 days prior to waxing or chemical peeling to prevent skin lifting (tearing of the epidermis).
  • Pregnancy: Pregnant clients cannot receive treatments involving electrical currents (galvanic, high frequency, microcurrent, or LED in certain modes) as the electrical path could affect the fetus. Additionally, salicylic acid (an aspirin derivative) and certain stimulating essential oils (like rosemary or sage) must be avoided.
  • Epilepsy/Seizures: Clients with seizure disorders must not be exposed to flashing LED lights or high-frequency machines, which can trigger an episode.
  • Pacemakers and Metal Implants: Any service utilizing electrical current (such as galvanic desincrustation or iontophoresis) is strictly contraindicated. Metal implants conduct electricity, causing burns, and currents can disrupt a pacemaker's rhythm.
  • Blood Thinners (Anticoagulants): Clients taking blood thinners (e.g., Warfarin, Coumadin, daily high-dose aspirin) bruise easily and bleed longer. Estheticians must avoid aggressive extractions, deep massage, and intense microdermabrasion.
  • Open Lesions & Contagious Diseases: Active herpes simplex (cold sores), open wounds, weeping lesions, pink eye (conjunctivitis), or active fungal/bacterial infections are absolute contraindications for any facial treatment.

Diagnostic Analysis Tools

Two essential tools are utilized during the skin analysis to illuminate hidden details:

1. The Magnifying Lamp (Loupe)

The magnifying lamp uses a fluorescent light bulb and a magnifying lens to enlarge the skin's surface.

  • Diopters: The strength of the lens is measured in diopters. A diopter represents the refractive power of the lens. The most common strength in esthetics is the 5-diopter lens, which provides 50% magnification (or 5 times the magnification at a focal length of 10 inches).
  • Safety: Eye pads must always be placed over the client's eyes before bringing the lamp over their face to protect them from the bright light.

2. The Wood's Lamp

Developed by American physicist Robert Wood, this tool uses filtered black light (UV light) to illuminate skin conditions that are not visible to the naked eye. The light penetrates into the deeper layers of the epidermis and dermis, causing various substances to fluoresce in specific colors.

  • Blue-white: Represents normal, healthy skin.
  • Light Violet/Purple: Indicates dehydrated skin lacking moisture.
  • White: Shows a thick stratum corneum (accumulation of dead skin cells/horny layer).
  • Yellow or Pink/Orange: Indicates oily areas, comedones, and C. acnes bacteria (which fluoresces orange-red under UV light).
  • Brown: Highlights hyperpigmentation, sun damage, and melasma located in the deeper layers.

Comparison Table: Wood's Lamp Color Chart

Fluorescent ColorSkin Condition / CharacteristicEsthetic Interpretation & Treatment Goal
Blue-whiteNormal, healthy, balanced skin.Maintain skin health with protective barrier care.
Light violet / PurpleDehydrated skin (lacking water).Hydrate using hyaluronic acid and water-based treatments.
White fluorescenceThick stratum corneum (dead cells).Exfoliate using enzymes, AHAs, or microdermabrasion.
Yellow or Pink / OrangeSebum, comedones, follicular bacteria.Clarify pores; perform extractions; apply salicylic acid.
Brown / Dark spotHyperpigmentation, sun damage.Brighten using vitamin C, kojic acid, and strict SPF.

Exam Traps: Consultation & Contraindications

  • Trap 1: Electrical Current Contraindications. If a client has a pacemaker or metal bone pins, all electrical current devices (galvanic, microcurrent, high frequency) are strictly contraindicated. Do not select "safe with low settings"—it is never safe.
  • Trap 2: Accutane Waiting Period. State board exams frequently ask about the waiting period after a client stops taking Accutane. The absolute minimum is 6 months, not 2 or 3 months. Waxing or peeling within this window is a major safety violation.
  • Trap 3: Eye Protection under Loupe. The exam will ask for the first step before positioning the magnifying lamp. You must always cover the client's eyes with protective eye pads before turning on the lamp and moving it over their face.
Test Your Knowledge

A client has a pacemaker and is requesting a deep cleansing treatment. Which of the following electrical treatments is safe to perform?

A
B
C
D
Test Your Knowledge

A client who is currently using topical Retin-A (tretinoin) wants to have their eyebrows waxed. What is the correct protocol?

A
B
C
D
Test Your Knowledge

Under a Wood's lamp, what does a light violet or purple fluorescence indicate, and how should it be treated?

A
B
C
D