| Responsible | ΑΡΙΑΔΝΗ ΔΙΑΜΑΝΤΗ & ΣΙΑ ΟΕ |
|---|---|
| Last Update | 06/04/2026 |
| Members | 2 |
Skin is not merely a recipient of hormonal influence — it is an active participant in hormonal metabolism. Two guests with "oily skin" may be in completely different biological situations. The same products will fail one and harm the other.
| Hormone | Primary Skin Role | When It Dysregulates | Clinical Signature |
|---|---|---|---|
| Oestrogen | Collagen synthesis, barrier integrity, sebum regulation, HA production | Perimenopause (~45 onward) — progressive decline | Sudden barrier compromise, dryness, reactive skin that was previously stable. Wrinkle depth increases rapidly in first 5 years of menopause. |
| Progesterone | Sebum regulation, inflammatory modulation | Luteal phase decline; perimenopause | Premenstrual breakouts, cyclical oiliness, mid-to-late-cycle sensitisation. |
| Cortisol | Barrier permeability, immune suppression, collagen degradation | Chronic psychological stress — always elevated in stress-presenting guests | Reactive skin, cyclical breakouts, loss of barrier function despite otherwise good routine. Skin that "changes with stress" is cortisol-driven. |
| Testosterone / DHT | Sebaceous gland stimulation, keratinocyte proliferation | Relative testosterone dominance in PCOS, post-pill, or low-oestrogen states | Oily T-zone, congestion, hormonal cystic acne (jawline, chin). |
| Thyroid Hormones | Cellular turnover rate, barrier integrity, wound healing speed | Hypothyroidism — common in perimenopausal women | Very dry, rough, dull skin. Slowed wound healing. Puffy face appearance. |
| Insulin / IGF-1 | Sebocyte stimulation, inflammatory signalling | Elevated with high glycaemic diet, insulin resistance, stress | Oily congested skin, acne, inflammation — the adult acne pattern. Gate 6. |
The Perimenopausal Guest — The single most common presentation in a luxury spa setting: 45–58, previously stable skin that has become reactive, dry, and suddenly aging faster than expected. Loss of oestrogen is the driver. The RESET + SCULPT protocol combination — barrier first, structure second — is the correct clinical response. Aggressive treatments will worsen the presentation.
Skin is not merely a recipient of hormonal influence — it is an active participant in hormonal metabolism. Two guests with "oily skin" may be in completely different biological situations. The same products will fail one and harm the other.
| Hormone | Primary Skin Role | When It Dysregulates | Clinical Signature |
|---|---|---|---|
| Oestrogen | Collagen synthesis, barrier integrity, sebum regulation, HA production | Perimenopause (~45 onward) — progressive decline | Sudden barrier compromise, dryness, reactive skin that was previously stable. Wrinkle depth increases rapidly in first 5 years of menopause. |
| Progesterone | Sebum regulation, inflammatory modulation | Luteal phase decline; perimenopause | Premenstrual breakouts, cyclical oiliness, mid-to-late-cycle sensitisation. |
| Cortisol | Barrier permeability, immune suppression, collagen degradation | Chronic psychological stress — always elevated in stress-presenting guests | Reactive skin, cyclical breakouts, loss of barrier function despite otherwise good routine. Skin that "changes with stress" is cortisol-driven. |
| Testosterone / DHT | Sebaceous gland stimulation, keratinocyte proliferation | Relative testosterone dominance in PCOS, post-pill, or low-oestrogen states | Oily T-zone, congestion, hormonal cystic acne (jawline, chin). |
| Thyroid Hormones | Cellular turnover rate, barrier integrity, wound healing speed | Hypothyroidism — common in perimenopausal women | Very dry, rough, dull skin. Slowed wound healing. Puffy face appearance. |
| Insulin / IGF-1 | Sebocyte stimulation, inflammatory signalling | Elevated with high glycaemic diet, insulin resistance, stress | Oily congested skin, acne, inflammation — the adult acne pattern. Gate 6. |
The Perimenopausal Guest — The single most common presentation in a luxury spa setting: 45–58, previously stable skin that has become reactive, dry, and suddenly aging faster than expected. Loss of oestrogen is the driver. The RESET + SCULPT protocol combination — barrier first, structure second — is the correct clinical response. Aggressive treatments will worsen the presentation.
The stratum corneum functions as a selective barrier: retaining water, blocking pathogens and irritants, and regulating the passage of molecules into and out of the skin. It is metabolically active, immunologically responsive, and profoundly sensitive to everything that touches it.
Corneocytes (bricks) embedded in a lipid matrix (mortar) of ceramides, cholesterol, and free fatty acids. When the lipid matrix is intact, the barrier holds water and resists penetration. When disrupted, TEWL increases, sensitisation follows, and the reactive cycle begins.
Barrier disruption → increased TEWL → dehydration → barrier cell damage → increased skin permeability → penetration of irritants → immune activation → inflammation → further barrier disruption.
This cycle explains why sensitised skin becomes more sensitised without active intervention. RESET is the only way out.
SLS in cleansers, over-exfoliation, harsh active ingredients applied to unready skin, UV exposure, low humidity (air conditioning, long-haul flight), mechanical friction, and chronic psychological stress via cortisol elevation.
The history of product use is always the first clinical question in a proper diagnosis. A guest who has been applying retinoids, acids, and vitamin C simultaneously to already-reactive skin needs RESET — not more actives.
Ceramide-replenishing formulations, fatty acid supplementation (shea butter, linoleic acid from sunflower oil), humectant layering (glycerin, hyaluronic acid, betaine), anti-inflammatory actives that interrupt the immune cascade, and the removal of the disrupting agent.
RESET is the protocol. Time is the mechanism. Patience is the prescription.
The stratum corneum functions as a selective barrier: retaining water, blocking pathogens and irritants, and regulating the passage of molecules into and out of the skin. It is metabolically active, immunologically responsive, and profoundly sensitive to everything that touches it.
Corneocytes (bricks) embedded in a lipid matrix (mortar) of ceramides, cholesterol, and free fatty acids. When the lipid matrix is intact, the barrier holds water and resists penetration. When disrupted, TEWL increases, sensitisation follows, and the reactive cycle begins.
Barrier disruption → increased TEWL → dehydration → barrier cell damage → increased skin permeability → penetration of irritants → immune activation → inflammation → further barrier disruption.
This cycle explains why sensitised skin becomes more sensitised without active intervention. RESET is the only way out.
SLS in cleansers, over-exfoliation, harsh active ingredients applied to unready skin, UV exposure, low humidity (air conditioning, long-haul flight), mechanical friction, and chronic psychological stress via cortisol elevation.
The history of product use is always the first clinical question in a proper diagnosis. A guest who has been applying retinoids, acids, and vitamin C simultaneously to already-reactive skin needs RESET — not more actives.
Ceramide-replenishing formulations, fatty acid supplementation (shea butter, linoleic acid from sunflower oil), humectant layering (glycerin, hyaluronic acid, betaine), anti-inflammatory actives that interrupt the immune cascade, and the removal of the disrupting agent.
RESET is the protocol. Time is the mechanism. Patience is the prescription.