M1-C5 Lesson 3 Skin Conditions, Active Infections & Visible Warning Signs
Learning Objectives
By the end of this hour, the student will be able to:
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Identify skin conditions that contraindicate or limit treatment
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Recognize signs of active infection or compromised skin integrity
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Distinguish between treatable concerns and referral-level conditions
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Apply professional judgment when visible red flags are present
Skin Conditions vs Skin Concerns
It is essential to distinguish between:
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Skin concerns (oiliness, dryness, congestion, dullness)
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Skin conditions (infections, inflammatory disorders, lesions)
Aesthetic treatments address concerns, while many conditions require modification, postponement, or referral.
Active Skin Infections
Treatments must not be performed on skin with active infection, including:
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Bacterial infections
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Viral infections
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Fungal infections
Active infections increase the risk of:
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Spread to other areas
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Cross-contamination
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Delayed healing
Common Infection-Related Contraindications
Examples include:
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Active herpes simplex (cold sores)
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Impetigo
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Fungal infections
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Infected acne lesions
Services should be postponed until infection has fully resolved.
Compromised Skin Integrity
Skin that is compromised cannot protect itself adequately. Warning signs include:
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Open wounds or abrasions
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Crusting or oozing
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Severe inflammation
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Broken capillaries with inflammation
Treating compromised skin increases injury and infection risk.
Suspicious Lesions & Growths
Practitioners must be alert for:
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Irregular moles
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Rapidly changing lesions
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Unusual pigmentation
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Non-healing sores
Aestheticians do not diagnose. Suspicious findings require referral to a medical professional.
Inflammatory Skin Conditions
Conditions such as:
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Severe rosacea
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Dermatitis
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Psoriasis flare-ups
may require treatment modification or postponement depending on severity and activity.
Professional Response to Skin Red Flags
When red flags are present, the professional response is to:
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Pause treatment
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Explain concerns clearly to the client
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Document findings
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Refer when appropriate
Proceeding despite visible warnings is unethical and unsafe.
📘 Case Example: Ignored Red Flags
Scenario:
A client presents with an inflamed lesion, and the practitioner proceeds with treatment.
Application:
Understanding visible contraindications highlights why postponement protects client health.
💭 Think About This
Healthy skin is a prerequisite — not an assumption.
Reflect:
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Why must active infections always be avoided?
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How does referral demonstrate professionalism?
🧠 Scenario Questions
Discussion Prompt:
Respond to one or more of the following in the discussion area.
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What skin signs indicate treatment should be postponed?
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Why is it dangerous to treat active infections?
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How should practitioners explain referrals to clients?
Hour Summary
Recognizing visible skin contraindications and red flags is essential to safe aesthetic practice. Understanding when to postpone, modify, or refer protects clients and maintains professional integrity.