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Research programme

"Post-partum dermatology is underfunded and under-researched. We're trying to change that."

Theonlychapter founders

Dermatological research, contributor survey

Contribute to research.

Theonlychapter runs an ongoing research programme in collaboration with a partner laboratory in London. Eight short questions about your symptoms, your dermatological history, and what current options leave unaddressed. Your contribution is reviewed by our formulation team and shapes the next protocol on the roadmap.

8 Questions

2 min Average

10% Off, for contributing

1/8

1 / 8 · Hormonal stage

Where are you in the post-partum journey?

This is the single biggest determinant of skin physiology after birth.

I'm still pregnant 2nd or 3rd trimester Less than 3 months ago The fourth trimester 3 to 6 months ago Settling in, still healing 6 to 12 months ago Over a year ago Long post-partum is still post-partum

2/8

2 / 8 · Primary symptom

Which symptom is most prominent for you?

Clinical terms in parentheses, pick the most prominent.

Loss of skin firmness (cutis laxa, post-partum elastosis) Stretch marks (striae distensae, rubra or alba) Dryness or barrier impairment (xerosis, TEWL) Hyperpigmentation (linea nigra, melasma, post-inflammatory) Surgical or perineal scarring (c-section, episiotomy)

3/8

3 / 8 · Reactivity profile

How does your skin currently respond to topical care?

Determines the maximum tolerated dose of each active in our protocols.

Highly reactive Flushes, stings, or breaks out from most products Compromised barrier Tightness, flaking, persistent dehydration Resilient Tolerates most actives without reaction Mixed Sensitivity varies by area and time of cycle

4/8

4 / 8 · Symptom duration

How long have you been noticing your primary symptom?

Acute, subacute, and chronic phases respond to different active ingredients.

Less than 3 months Acute phase 3 to 12 months Subacute phase 1 to 3 years Chronic, mature Over 3 years Long-term chronic

Your thank-you

−10%

off your first order

Auto-applied at checkout. No expiry. Plus one research update per month, no spam.

Final step, study summary & contributor code

Where should we send your 10% code?

A 10% contributor discount with no expiry, the aggregated study findings, and one research update per month as protocols advance.

−10% Contributor discount, auto-applied at checkout.

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By submitting, you agree to receive research updates from Theonlychapter. Privacy, unsubscribe anytime.

5/8

5 / 8 · Treatment history

What have you already tried for this symptom?

Dermatological history informs which actives we can safely build on.

Prescription-grade Tretinoin, hydroquinone, etc., prescribed by a dermatologist Dermatologist-recommended OTC Cosmeceutical brands, La Roche-Posay, CeraVe, etc. General body care Drugstore lotions, butters, oils Plant oils & home remedies Bio-oil, coconut, rosehip, shea Nothing yet This symptom hasn't been treated

6/8

6 / 8 · Research priority

Which research domain should our lab prioritise next?

The most-voted domain moves to the front of the formulation pipeline.

Stretch mark fading Striae alba protocol, centella + retinoid alternatives Skin firmness restoration Elastin synthesis, peptide-driven protocol Hyperpigmentation correction Melanogenesis pathway, niacinamide + tranexamic acid Scar healing C-section and episiotomy, fibroblast activation Barrier & xerosis Lipid replacement, ceramide-led formulation

7/8

7 / 8 · Vehicle preference

What formulation vehicle would you actually use daily?

Compliance drives outcomes. Pick the texture you would realistically apply every day.

Light emulsion / cream Fast absorption, no residue Rich balm or butter Occlusive, deeply nourishing Dry oil or oil-serum Lipophilic delivery, soft veil finish Aqueous serum or essence Lightweight, layered under a moisturiser

8/8

8 / 8 · Research gap

Which research area is most under-addressed for you?

Where current dermatology and skincare are failing post-partum women.

Long post-partum Symptoms still present 5+ years out Multi-ethnic skin data Striae and hyperpigmentation across Fitzpatrick types Breastfeeding-compatible actives Clinically vetted ingredient lists C-section & surgical scarring Healed-tissue protocols Diastasis-related skin laxity Cutaneous component of muscle separation Something else Tell us at the end

Reading your answers...

Research contribution received

Thank you. Your contribution has been logged.

Your responses are now part of our ongoing dermatological research. They will be reviewed by our chemist and integrated into the next protocol cycle.

Contributor discount

10% off your order

A small thank-you for taking the time. The code applies automatically at checkout. No expiry.

RND10

Apply 10% & see the product →

What happens next

From your input to formulation

Your priority domain will be aggregated with other contributors’ responses and reviewed in our next monthly protocol meeting. You will receive the summary of the study and updates as the next formulation advances through trials.

1. Aggregation across all respondents
2. Protocol prioritisation review with the chemist
3. Bench formulation (12 to 18 months)
4. Clinical trial & INCI publication

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