TRETINOIN
BENEFITS
Gold-Standard Anti-Aging – Reduces fine lines and wrinkles.
Stimulates Collagen Production – Improves skin thickness and elasticity.
Treats Acne – Normalizes cell turnover and prevents clogged pores.
Fades Hyperpigmentation – Improves melasma, PIH, and sun damage.
Smooths Texture – Refines rough, uneven skin.
Prevents Future Breakouts – Long-term acne control.
Improves Overall Skin Quality – Increases dermal remodeling over time.
SIDE EFFECTS
Common during first 4–8 weeks (“retinization” phase):
Dryness
Peeling / flaking
Redness
Burning or stinging
Temporary acne purge
Less common:
Dermatitis if overused
Post-inflammatory hyperpigmentation in darker skin if irritated
Increased sun sensitivity
⚠️ Not safe during pregnancy.
CONCENTRATION
Prescription Strengths:
0.025% → Beginner strength
0.05% → Moderate
0.1% → Strong
👉 Most people do best on 0.025%–0.05% long-term.
Higher strength ≠ always better — consistency matters more.
Available as:
Cream (more moisturizing)
Gel (better for oily/acne-prone skin)
Microsphere (slower release, less irritation)
EFFECTIVENESS
Highly effective for:
✔ Acne (Comedonal + Inflammatory)
✔ Fine lines
✔ Uneven texture
✔ Sun damage
✔ Hyperpigmentation
✔ Enlarged pores
Works exceptionally well when combined with:
Niacinamide – Reduces irritation
Ceramides – Barrier support
Hyaluronic Acid – Hydration boost
Azelaic Acid – Acne + pigmentation combo (alternate nights)
Tranexamic Acid – Pigmentation synergy
Avoid same routine with:
Glycolic acid
Salicylic acid (strong forms)
Benzoyl peroxide (unless directed)
Strong vitamin C (L-ascorbic acid)
HOW TO USE
Frequency:
Start 2–3 nights per week
Increase gradually to every other night
Advanced users: nightly
Amount:
Pea-sized for entire face
Routine Order (PM only):
Gentle cleanser
Wait until skin is fully dry (10–20 minutes)
Pea-sized tretinoin
Moisturizer
Sensitive skin tip:
Use the “sandwich method” → Moisturizer → Tretinoin → Moisturizer.
SPF every morning is mandatory.
JUSTIFICATION
Most clinically studied topical anti-aging ingredient
FDA-approved for acne and photoaging
Proven collagen stimulation
Long-term skin remodeling effects
Results improve over 6–12 months
QUALITY
Look for:
Prescription product from a licensed provider
Appropriate strength for your tolerance
Cream base if dry/sensitive
Gel base if oily/acne-prone
Consistent nightly routine
SKIN TYPES
✅ Oily / Acne-Prone – Excellent
✅ Normal Skin – Highly effective
⚠️ Combination Skin – Start slowly
⚠️ Dry Skin – Use with heavy barrier support
❌ Very Sensitive / Rosacea-Prone – Often too strong
❌ Pregnant / Trying to Conceive