Skincare Protocol · Samuel Bates

Strategic Premise

Two campaigns and a deload. Every choice bends toward one enemy: sub-15% humidity + extreme UV.

"Building without protecting is filling a leaky bucket. Protecting without building never improves the skin. Both campaigns run; the environment sets the terms."

Campaign A

AM Defends

Protect collagen from UV radiation; neutralize active oxidative damage.

Identical Daily

Campaign B

PM Renovates

Controlled demolition via targeted actives + barrier lipid replenishment.

5 Nights / Week

The Deload

Recovery Resets

Zero active ingredients. Full structural barrier restoration.

2 Nights / Week

v3 Changelog & Red-Team Audit

Post-evidence review (2026-08-15) · PubMed grounded

Supersedes v2 (2026-07-26)

1. The 4-1-2 Grid is Final

The old fully-ramped grid ran six consecutive active nights with one deload. Wednesday BHA (attempted ~Aug 12, mid-purge) failed exactly where load math predicted: inside the longest active streak with no adjacent recovery. Rule: max 3 consecutive active nights; BHA always borders a recovery day. Do not re-attempt Wed BHA.

2. BHA Demoted to Luxury

Salicylic acid is a conditional recommendation in 2024 AAD guidelines with low-quality trial evidence; adapalene already owns comedone prevention with strong evidence. 1×/week is pore maintenance, not a pillar. 2× was never evidence-mandated.

3. Face Reapplication Codified

The q2h rule previously named body only. Face reapplication (balm in pack) is now an executable step with Diffey timing: reapply ~20–30 min into exposure, and after soak-through sweat. Brimmed hat added to hardware.

4. Photosensitivity Rationale Corrected

FDA controlled study found 2% salicylic acid does NOT increase UV-induced erythema, DNA damage, or sunburn cells (glycolic acid does). Adapalene is photochemically stable. SPF stands on desert UV alone. Needs no help from actives.

5. October Gate Staggered

Requires a stable baseline first. Azelaic enters first, 3–4 clean weeks, then retinal. Two simultaneous new actives = unattributable flares (applying the one-variable rule to the roadmap).

6. Depth-Over-Breadth Path Named

Adapalene photoaging RCT evidence lives at 0.3%, not 0.1%. When more anti-aging is desired, the proven lever is concentration (adapalene 0.3% or Rx tretinoin), not adding product classes.

7. BPO Trigger Clause Added

Benzoyl peroxide is the guideline's strongest-recommended acne active and was silently absent. Now a named omission with explicit trigger conditions.

8. Sunscreen Fleet Alignment

Updated to match live practice: Bioré added for going-out days; balm for field reapplication; CeraVe zinc confirmed on orbital-rim duty.

9. Vitamin C Operational Logic

Fridge storage, small bottles, discard at amber. AM wait compressible; missed mornings cost nothing (skin reservoir saturates in ~3 daily applications, ~4-day tissue half-life).

10. Occlusion Wording Precision

Softened from "dangerously" to "meaningfully" multiplies penetration. Direction was right, adverb overstated. Sunday-only slug rule remains unchanged.

Weekly Grid (FINAL)

Adapalene 4× · BHA 1× · Recovery 2× | AM routine is identical every day

Rule: Never re-attempt Wed BHA

Mon Adapalene

Engine Active
Peak Retinoid

Tue Adapalene

Engine Active
Streak cap (2 max)

Wed Recovery

Mid-week Reset
No active / No slug

Thu Adapalene

Engine Active
Post-reset restart

Fri Adapalene

Engine Active
Streak cap (2 max)

Sat BHA

Exfoliation
Pore maintenance

Sun Recovery

Full Deload
Atobarrier + Slug

Load Rules the Grid Encodes

Never more than 2 consecutive adapalene nights; max 3 consecutive active nights total (Thu–Sat); BHA borders a recovery day on at least one side; two full deloads per week. This grid was found empirically (Wed BHA failure) and is better-designed than the old end-state by the system's own load-management principle. Treat it as final.

Evidence-Based Frequency Note

4×/week is inside evidenced territory, not a diluted compromise: an RCT found alternate-day application of a retinoid matched once-daily adapalene head-to-head, and adapalene 0.1% monotherapy holds long-term maintenance against vehicle. Nightly would be the trialed standard but is optional, not owed. If skin stays quiet for months and you want more, the upgrade is concentration (see October gate), not frequency.

The Lanes

Every non-active in the system holds exactly one lane. The purchase test for anything new: name its lane; if the lane is staffed, don't buy.

Lane	Job / Functional Goal	Staffed By
Hydrate	Pull water in, restock water-binders	Torriden (AM+PM), TO NMF + HA (AM cap)
Rebuild	Restock barrier lipids (the mortar)	Kroger Nighttime (volume tier), Atobarrier 365 (premium tier)
Soothe	Anti-inflammatory cascade control	No permanent face resident: Torriden madecassoside covers baseline; Cicaplast B5+ is escalation on retainer (unpurchased)
Occlude	Block trans-epidermal water loss (TEWL)	Aquaphor (Sunday only)

Alternation Logic: Alternation is a load-management tool for actives; it caps irritation. Non-actives carry no load, so rotating moisturizers stacks nothing; each slot runs one product, upgraded rather than parallelized.

AM Routine: Defense Campaign

Identical every day regardless of evening schedule

Executable Sequence

Cleanse: Equate Hydrating (Kroger Foaming on SPF-heavy / sweaty days).
Vitamin C: Timeless 20%. Pat dry, give it 2–3 min after cleansing. Fridge stored; small bottles; discard at amber.
Azelaic: SKIN1004 10% Ampoule (Phase 5; unpurchased; see October gate). Wait ~1 min.
Torriden DIVE IN: Press in, let absorb (humectant layer).
NMF + HA: The Ordinary. Thin layer; emollient cap. Let settle 2–3 min.
SPF: ¼ tsp, no skimping. Fleet assignments on right.
Eye Rim: CeraVe zinc to orbital rim every day. UV400 sunglasses + brimmed hat outdoors.

Rushed: Vit C → Torriden → NMF → SPF (skip azelaic + waits). Never skip SPF.

Missed Vit C: Costs nothing; skin reservoir saturates in ~3 applications (~4-day half-life). Don't double up.

SPF Fleet & Reapplication Protocol

Tube	Duty / Context
BoJ Relief Sun Aqua-fresh	Daily driver: normal / indoor-leaning days
Bioré UV Aqua Rich Watery Gel	Going-out days: errands, town, daily outdoor
CeraVe Invisible Mineral 50	Heavy sweat/water days (climb/hike) + orbital rim daily
SPF balm (stick)	Field reapplication: lives in pack
Banana Boat 19% zinc	Body, outdoor days

Reapplication Protocol: First reapply ~20–30 min into sun exposure (Diffey's modeling shows early reapplication beats the folk 2-hour rule because first coats under-apply), then again after soak-through sweat, water, or toweling. Stick balm is face field mechanism; body gets Banana Boat. Import tubes carry no US water-resistance testing: anything sweaty stays on zinc.

Hardware: UV400 sunglasses + brimmed hat. The hat is the highest-ROI, zero-irritation photoprotection device in the system.

PM Routines: Renovation & Recovery

Differentiated by day type in the weekly grid

Adapalene Night

Mon / Tue / Thu / Fri

Oil cleanse: SKIN1004 Centella (dry face, 60s massage, emulsify, rinse).
Cleanse: Equate Hydrating (Round Lab Dokdo pending).
Wait 15 min: Fully dry (non-negotiable).
Adapalene 0.1%: Pea-size, whole face.
Torriden DIVE IN: Buffers retinoid.
Seal: Atobarrier 365 nightly through Sept baseline; then Kroger Mon–Sat, Atobarrier Sun + rescue.

* No Aquaphor slug (multiplies penetration). Lips exempt. Irritated? Run Recovery.

BHA Night

Sat Only

Oil cleanse: SKIN1004 Centella.
Cleanse: Equate Hydrating.
Naturium 2% BHA: Let absorb.
Torriden DIVE IN: Humectant layer.
Seal: Same tiering as adapalene, to orbital bone.

* Never same night as adapalene. Never re-slot to Wednesday. Weakest evidence active; if it fights, it loses.

Recovery Night

Wed / Sun

Oil cleanse: SKIN1004 Centella.
Cleanse: Equate Hydrating.
Torriden DIVE IN: On damp skin (max grab).
Seal: Atobarrier 365 (permanent on recovery).
Slug: Aquaphor, thin layer; Sunday only (Wed un-occluded).

* Zero actives. The structural barrier reset that allows active nights to function.

Gated Additions & Escalation Paths

October Gate Sequence (Staggered)

Baseline first: 2 quiet weeks post-purge (~Aug 23) before anything new.
Azelaic enters AM: (Early Oct), alone. Run 3–4 clean weeks.
BoJ Revive Eye Serum (retinal): Enters last. PM, orbital rim only, after Torriden before seal, lowest cadence. Buy late Sept.
One-Variable Rule: Never two new actives in the same window. Unattributable flares violate system design.

Azelaic expectation: 10% cosmetic is a modest adjunct. If PIH is priority, Rx 15% via telehealth is better supported.

Future Escalation: Depth Over Breadth

Adapalene photoaging RCT evidence lives at 0.3%. When more anti-aging is wanted, the proven move is concentration (adapalene 0.3% or Rx tretinoin) slotted into the 4-night engine, not a 3rd exfoliant or new product classes.

BPO Trigger Clause (Named Omission)

Deliberately omitted (mild acne, bleaches fabric, leave-on oxidant fights AM antioxidant campaign). Trigger: If inflammatory lesions persist ≥2 weeks post-purge, add BPO 2.5% as a short-contact wash (PM cleanse slot, rinse-off).

Rescue Protocol & Emergency Override

Protocol Execution

Irritation past normal, any night: pause actives 2–3 nights → run Recovery routine nightly (oil + cleanse → Torriden → Atobarrier → Aquaphor) → resume one frequency step lower. One skipped night costs nothing; forcing a reaction costs a week.

Worked Example: Wed BHA, Aug 2026. Flare → recovery → slot permanently retired. Protocol executed exactly as designed.

Escalation: If 2–3 rescue nights don't settle it, Cicaplast Baume B5+ (5% panthenol + madecassoside + occlusion). At every CVS; buy only when triggered.

Product Fleet & Inventory

Complete functional inventory and role assignments

Face Care Inventory

Product	Slot	Role	Key Active / Mechanism
SKIN1004 Centella Cleansing Oil	PM (1st)	Dissolves SPF + sebum	Like-dissolves-like; emulsifies and rinses clean
Equate Hydrating Cleanser	AM + PM (2nd)	Clean canvas, no strip	Ceramides + HA; gentle surfactant
Timeless Vit C 20% + E + Ferulic	AM · fridge	Daytime antioxidant + collagen cofactor	L-ascorbic acid (pH <3.5, bare skin; 20% = top absorption)
SKIN1004 Azelaic 10% Ampoule	AM (Oct gate)	Fade post-acne marks, calm	Azelaic acid + derivatives; panthenol-centella base
Torriden DIVE IN	AM + PM	Humectant layer	Multi-weight HA + panthenol + madecassoside
The Ordinary NMF + HA	AM (pre-SPF)	Emollient cap	NMF complex (urea, amino acids, PCA) + HA
BoJ Relief Sun Aqua-fresh	AM (daily driver)	UV shield, indoor-leaning days	Uvinul T150, Mexoryl XL+SX, Uvinul A Plus, Tinosorb S
Bioré UV Aqua Rich Watery Gel	AM (going-out)	UV shield, daily outdoor wear	New-gen filters, watery finish; JP import
CeraVe Invisible Mineral SPF 50	Sweat / eye rim	UV shield, water-resistant	15% zinc oxide
SPF balm (stick)	Pack	Mid-exposure face re-coat	Survives sweaty face; no hands needed
Equate Adapalene 0.1%	PM ×4	The engine: prevention	3rd-gen retinoid, direct RAR-β/γ binding, photostable
Naturium 2% BHA	PM ×1 (Sat)	Clears existing pore clogs	Salicylic acid; oil-soluble keratolytic
Kroger Nighttime	PM seal (volume)	Barrier rebuild workhorse	Ceramides + niacinamide (~$0.10/mL)
Aestura Atobarrier 365	PM seal (premium)	Barrier rebuild, heavy artillery	Ceramide NP + cholesterol + fatty acids + niacinamide
BoJ Revive Eye Serum	PM, orbital rim	Rim coverage adapalene skips	Retinal + niacinamide
Aquaphor	Sun slug only	Occlusive water-loss block	Petrolatum

Bench (named, not stocked): Vanicream Daily Facial, AM-cap fallback if urea ever stings on purge-week skin. Zero lead time at Walgreens.

Body Care Inventory

Product	Slot	Role & Placement
Eucerin Advanced Repair (5% urea)	Post-shower daily (≤3-min window)	NMF chemistry at body scale. Off face / broken skin.
Aveeno Eczema Therapy	Episodic soother	Post-sun arms/shoulders, post-sauna itch, chalk hands.
Banana Boat 19% zinc	Outdoor body SPF	Outdoor body shield
Aquaphor	Cracked spots	Targeted occlusion

Escalation: Eucerin Roughness Relief (10% urea) if heels/elbows persist after a month.

Open System Decisions

Round Lab 1025 Dokdo: Low-pH second cleanse; if purchased, takes PM cleanse slot (cleanser pH matters most under retinoids).
Sunscreen A/B: BoJ Aqua-fresh vs Bioré Aqua Rich in real Arizona conditions; winner becomes bulk-import.
Heavy-sweat face duty: Confirm CeraVe mineral for climb/hike with balm re-coat, or has Bioré + balm absorbed role? (Zinc remains lean for water-resistance).
Azelaic: Cosmetic vs Rx: Decide before late-Sept buy: SKIN1004 10% (modest) vs telehealth azelaic 15% (better supported).
Late-Sept purchase batch: Azelaic + BoJ Revive Eye Serum ahead of staggered October gate.
BPO watch item: Buy only if trigger clause fires post-purge.

Skincare: Mechanisms & System Logic