how many times should i use glycolic acid the ordinary
Introduction
Navigating the world of chemical exfoliants can be overwhelming—especially with potent formulas like The Ordinary Glycolic Acid 7% Toning Solution. Used correctly, it transforms skin texture; overused, it causes irritation. As a skincare formulation specialist, I’ve analyzed clinical data, dermatologist insights, and real-user experiences to answer one burning question: How frequently should you use The Ordinary’s glycolic acid toner? Let’s break down the science-backed sweet spot for every skin type and goal .
Understanding The Ordinary Glycolic Acid 7% Toning Solution
Product Breakdown: Strength, pH, and Key Ingredients
This cult-favorite toner combines:
- 7% Glycolic Acid: An alpha-hydroxy acid (AHA) derived from sugarcane, with the smallest molecular size among AHAs, enabling deep penetration to dissolve dead skin cells .
- pH of 3.6: Optimally acidic for efficacy without excessive aggression .
- Soothing Agents: Tasmanian pepperberry (reduces inflammation), ginseng root (brightens), and aloe vera (calms) .
Table: Key Specifications
Attribute | Detail | Significance |
---|---|---|
Concentration | 7% | Effective yet tolerable for most non-sensitive skin |
pH Level | 3.6 | Maximizes exfoliation power |
Format | Water-based toner | Lightweight, ideal for layering |
Vegan/Cruelty-Free | Yes | Ethical formulation |
Note: Avoid if you have eczema, psoriasis, or compromised skin barriers .
Ideal Frequency: Science-Backed Guidelines
How Many Times to Use The Ordinary Glycolic Acid: Dermatologist Recommendations
Standard Protocol for Face and Neck
- Beginners: Start with 1x/week (e.g., Wednesday evenings) .
- Tolerant Skin: Gradually increase to 2–3x/week after 2–4 weeks .
- Advanced Users: Maximum 4x/week—never daily. Always skip days to let skin recover .
“Overuse thins the skin, causing redness and sun sensitivity. Twice weekly is my cap for sensitive types.” — Dr. Angela Tewari, Consultant Dermatologist .
Scalp and Body Applications
- Scalp: Apply to dry scalp 1–2x/week for 10 minutes pre-shampoo to reduce flaking .
- Underarms: 2–3x/week to combat odor (pH balancing) and dark spots. Avoid after shaving .
- Heels/Elbows: Daily for 7 days to soften cracks, then maintain 2x/week .
Critical Factors Influencing Your Frequency
What Changes How Often You Should Use Glycolic Acid?
Skin Type and Sensitivity
- Oily/Resilient Skin: Tolerates 3–4x/week .
- Dry/Combination: Limit to 1–2x/week with added hydration .
- Sensitive/Rosacea-Prone: Patch test first. Use 1x/week or switch to lactic acid .
Product Format Considerations
The Ordinary’s leave-on toner is stronger than rinse-off glycolic cleansers. Adjust usage accordingly :
Glycolic Product Type | Max Weekly Frequency |
---|---|
Toner (Leave-on) | 3–4x |
Cleanser (Rinse-off) | Daily |
Serum (High %) | 1–2x |
Layering with Other Actives
- Avoid Combining With:
- Retinol
- Vitamin C
- Other AHAs/BHAs (e.g., salicylic acid) .
- Alternatives: Use glycolic acid nights on Mondays/Thursdays and retinol on Tuesdays/Fridays .
Step-by-Step Routine for Safe Application
How to Use The Ordinary Glycolic Acid Toner Correctly
- Cleanse: Wash face with gentle, non-exfoliating cleanser. Dry skin completely .
- Apply:
- Face: Soak cotton pad, swipe over face/neck. Avoid eyes!
- Scalp/Body: Apply directly or spray .
- Wait: Let absorb 10–15 minutes before next step .
- Hydrate: Follow with hyaluronic acid serum (e.g., The Ordinary HA + B5) .
- Moisturize: Seal with ceramide cream (e.g., Natural Moisturizing Factors + PhytoCeramides) .
- Morning After: Always apply SPF 30+. Glycolic acid increases UV sensitivity by 48% .
Pro Tip: Dilute with water if stinging occurs. Redness beyond 10 minutes signals over-exfoliation .
Side Effects: Signs You’re Over-Using It
When to Cut Back: Red Flags
- Mild: Tingling (normal), temporary flush .
- Moderate: Peeling, tightness, or increased breakouts (purging) lasting 4–6 weeks .
- Severe: Burning, persistent redness, or swelling → Stop immediately! .
“Purging is normal; irritation is not. Listen to your skin.” — Dr. Dev Patel, Dermatologist .
Solution for Over-Exfoliation:
- Pause glycolic acid for 2 weeks.
- Switch to barrier-repair ingredients (ceramides, squalane).
- Reintroduce at half prior frequency .
FAQs: Your Top Questions Answered
Common Glycolic Acid Frequency Questions
Can I use it daily?
No—daily use risks barrier damage. The Ordinary explicitly advises against applying on “sensitive, peeling, or compromised skin” .
How long until I see results?
- Brightness/Texture: 2–4 weeks with 2x/week use .
- Hyperpigmentation/Acne: 8–12 weeks .
Can I pair it with vitamin C?
Use vitamin C in mornings and glycolic acid on alternate nights. Never layer together—pH conflicts reduce efficacy .
Is it safe during pregnancy?
Consult your OB-GYN. AHAs lack safety data for pregnancy; many derms recommend pausing .

Conclusion: The Golden Rule
Final Verdict: How Often to Use The Ordinary Glycolic Acid
For 95% of users, 2–3x/week is the ideal frequency—enough to see transformative results (smoother texture, fewer breakouts, faded dark spots) without compromising your skin barrier. Always:
- Patch test behind your ear first .
- Prioritize SPF daily .
- Listen to your skin—reduce frequency at the first sign of irritation .
“Glycolic acid is a marathon, not a sprint. Consistency beats aggression every time.” — Dr. Maryam Zamani .
Where to Buy:
Up Next: The Ordinary Glycolic Acid vs. Paula’s Choice BHA: Which Exfoliant Wins?.