Harley StreetInstitute
    Aesthetic Courses | Certificates | Fellowship | Internship
    Soft 3D render of a fragile skin barrier with hydrating droplets representing sensitive skin repair
    Online Skin Rejuvenation Course

    Sensitive or Sensitised Skin? Repair in 6 Weeks Without a Moisturiser

    A clinically rigorous online course that distinguishes true sensitive skin from sensitised skin and delivers a six-week barrier repair protocol that deliberately removes moisturisers in favour of strategic ingredient sequencing.

    Duration4–6 hours
    AiCE Points5
    CPD5 hours
    ForHCPs & skin pros

    A different protocol for a misunderstood patient group

    Sensitive skin is one of the most common presenting concerns in aesthetic clinics, and one of the least precisely diagnosed. Most patients who self-identify as having sensitive skin actually have sensitised skin — a barrier that has been progressively eroded by over-cleansing, over-actives, over-occlusion and a layered skincare routine that no clinician designed. This course was written to give clinicians a precise protocol for this group, separate from those with constitutional sensitivity.

    The course is deliberately CPD-focused and unbranded. We discuss ingredient classes and physiological mechanisms, never product lines. Practitioners can apply the protocol with whichever clinical-grade range is available to them, in any country, with any pricing structure.

    It is also a deliberately provocative course. The decision to remove moisturisers during the repair phase challenges what most patients have been told for two decades. We make that argument in full, with mechanism, evidence and practical instruction. By the end of the course you will be able to explain to a patient — calmly, in plain language — why a six-week pause from emollient occlusion accelerates rather than impairs their barrier recovery.

    Learning Outcomes

    What you will be able to do after this course

    Differentiate sensitive from sensitised skin at consultation.
    Identify the specific behavioural and product drivers of sensitisation.
    Deliver the six-week repair framework with measurable end-points.
    Justify the rationale for removing moisturisers in repair phases.
    Sequence the reintroduction of actives without re-triggering sensitivity.
    Recognise rosacea-adjacent presentations that need referral.
    Curriculum

    Module-by-module breakdown

    1

    Sensitive vs sensitised: the clinical distinction

    Constitutional sensitivity (genetic, lifelong) versus acquired sensitisation (recent, behaviour-driven). Different mechanisms, different protocols.

    2

    The compromised barrier under the microscope

    Lipid lamellae disruption, raised TEWL, pH drift and microbiome shift in sensitised skin.

    3

    Why moisturisers can perpetuate the problem

    How chronic occlusion and emulsifier dependency suppress the skin’s own repair machinery.

    4

    The six-week repair framework — overview

    Phase 1 (cleanse & calm), Phase 2 (rebuild), Phase 3 (challenge & confirm).

    5

    Phase 1: Reset (Weeks 1–2)

    Surfactant choice, water temperature, removing all leave-on actives, calming with niacinamide and panthenol only.

    6

    Phase 2: Rebuild (Weeks 3–4)

    Reintroducing physiological lipids, ceramides, cholesterol and free fatty acids in correct ratio.

    7

    Phase 3: Challenge (Weeks 5–6)

    Reintroducing actives, photoprotection layering and confirming barrier resilience.

    8

    Edge cases: rosacea, post-laser, post-peel, perioral dermatitis

    When to modify the protocol and when to refer.

    The science behind a moisturiser-free repair phase

    Healthy skin is metabolically active. Corneocytes mature, lipids are extruded into the intercellular space, the acid mantle holds at pH 4.5–5.5, the microbiome stabilises and transepidermal water loss is regulated. When a sensitised barrier receives chronic emollient occlusion, several of these processes are downregulated. The skin learns to wait for external lipids rather than make its own.

    The course teaches the mechanism in full and then converts it into a clinical protocol: a structured Reset phase that cleanses gently and applies almost nothing; a Rebuild phase that supplies physiological lipids in their correct ratio rather than emulsified surface emollients; and a Challenge phase that confirms barrier function before returning the patient to normal actives and photoprotection. Patients see measurable improvement in two weeks and structural improvement in six.

    A dedicated chapter handles edge cases: rosacea, perioral dermatitis, post-laser barrier collapse and the patient who has been peeling weekly for a year. Each case has its own modified pathway. None of them require complex products. All of them require a clinician confident enough to simplify before they treat.

    Built for clinics, used by patients

    The course is supplied with a downloadable patient-facing six-week handout that mirrors the clinician-facing protocol. This is what makes it usable in clinic. You explain the framework in the consultation, hand the patient the printable plan, and review at six weeks with photographs and a barrier-function checklist. Compliance is high because the plan is specific and short.

    Clinicians completing this course frequently combine it with the Principles of Skin Health Restoration course (for the deeper science of the ageing epidermis) and with the Aesthetic Facial Assessment course (for the consultation framework that surfaces sensitisation early). It also pairs with the Microneedling Online Course because so many post-microneedling complaints are not microneedling complications — they are pre-existing sensitisation made visible.

    The course is fully online, lifetime access, with HD videos, downloadable handouts, end-of-module quizzes and a certificate carrying AiCE / CPD points on completion.

    Eligibility

    Who this course is for

    • Doctors, dentists, nurses and prescribing pharmacists managing skin patients.
    • Aesthetic therapists building a clinical skin service.
    • Clinicians seeing increasing numbers of post-laser or post-peel sensitisation.
    • Clinic owners standardising a defensible sensitive-skin protocol across teams.
    FAQs

    Frequently asked questions

    Is the no-moisturiser approach safe for everyone?

    No. The protocol is a six-week clinical repair phase for sensitised skin, supervised by a clinician, with explicit edge-case modifications. It is not a permanent skincare philosophy.

    Can patients enrol or only clinicians?

    The course is written for clinicians. The protocol is delivered to patients via the supplied clinician-prescribed handout.

    Does this work for rosacea?

    There is a dedicated section on rosacea-adjacent presentations and a modified pathway. Established rosacea may also need pharmacological management — we cover when to refer.

    How long does the course take?

    Four to six hours of focused study including the quizzes and final assessment.

    Is the certificate CPD-approved?

    Yes. CPD and AiCE points are awarded on completion.

    Can I use this protocol if I do not sell skincare?

    Yes. The protocol intentionally does not depend on a brand. Many clinicians use it specifically because it does not require selling product.

    What evidence base does the course draw on?

    Peer-reviewed barrier-function literature and the faculty’s own clinic experience treating sensitised patients post-laser, post-peel and post-overuse.

    Do you offer refunds?

    Yes, within 14 days provided less than 20% of the course has been viewed.

    Ready to enrol?

    Join clinicians worldwide upgrading their skin science. Lifetime access, certificate on completion, instant access to your learning portal.

    Standards & Accreditation

    UK Regulatory & Professional Bodies

    Harley Street Institute training aligns with the standards set by the UK regulators and professional associations below.

    External links open in a new tab. Outbound references are provided for verification only and do not imply endorsement of HSI by the linked organisation.

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