What Does Retinol Do? Your Ultimate Guide to the Skincare Gold Standard
Retinol is often hailed as the 'holy grail' of skincare, but let’s be honest—it can also be incredibly intimidating. Between the scientific jargon and the fear of irritation, it’s completely normal to feel a bit hesitant. If you’re standing in the skincare aisle wondering, 'What does retinol actually do, and is it right for me?' you’re in exactly the right place.
At Eden SkinStore, we believe skincare should be empowering, not overwhelming. In this guide, we’re breaking down the science, the benefits, and the best practices for incorporating this powerhouse ingredient into your routine.
Quick Summary: 5 Key Takeaways
- Speeds up cell turnover: Retinol helps your skin shed old cells and bring fresh ones to the surface.
- Boosts collagen support: It helps maintain the appearance of skin firmness and elasticity.
- Clears the way: It’s a top-tier choice for managing congested pores and breakouts.
- Start slow: "Low and slow" is the golden rule to avoid irritation.
- Sunscreen is non-negotiable: Retinol makes your skin more sensitive to the sun.
- What is Retinol?
Retinol is a derivative of Vitamin A, belonging to a family of ingredients called retinoids. While the terms are often used interchangeably, there is a technical difference.
Retinol vs. Retinoid: "Retinoid" is the umbrella term for all Vitamin A derivatives. Retinol is a specific, over-the-counter (OTC) version. Prescription-strength retinoids (like Tretinoin) work immediately upon hitting the skin, whereas retinol must be converted by your skin’s enzymes into retinoic acid. This conversion process makes retinol gentler and more accessible for home use, providing incredible results with a lower risk of intense irritation.
What Does Retinol Do for Skin?
Retinol is a 'cell-communicating' ingredient. Unlike many products that only treat the surface, retinol penetrates deep into the skin's layers. In the epidermis, it accelerates cell turnover—the process where your body sheds old, dull cells to reveal fresh ones. In the dermis (the deeper layer), it helps stimulate the production of collagen and elastin, which act as the 'scaffolding' for your face. By encouraging this internal renewal, retinol helps your skin behave more like it did in its younger years.
Fine Lines & Wrinkles
One of the most celebrated retinol benefits is its ability to soften the look of ageing. It works by supporting the skin's natural collagen framework. As we age, collagen production slows; retinol helps maintain the skin's structural integrity, leading to a smoother, plumper appearance.
Texture & Pores
If your skin feels "bumpy" or looks dull, retinol is your best friend. By accelerating exfoliation from the inside out, it prevents dead skin cells from clogging your pores. This results in a refined skin texture and can actually make pores appear smaller because debris isn't stretching them out.
Retinol for Acne & Breakouts
While often marketed for aging, retinol for acne is highly effective. It helps regulate oil production and prevents the formation of "microcomedones" (the precursors to pimples). By keeping the pores clear, it reduces the frequency and severity of breakouts.
Hyperpigmentation & Dark Spots
Whether it’s sun damage or post-acne marks, retinol helps fade the look of discolouration. As fresh, new skin cells rise to the surface, the pigmented cells are shed more quickly, resulting in a more even, radiant skin tone.
How Long Does Retinol Take to Work?
Retinol is a marathon, not a sprint. While some people notice a "glow" within a few weeks due to surface exfoliation, bigger changes take time:
- Acne: 4–8 weeks for noticeable clarity.
- Texture: 8–12 weeks for a smoother feel.
- Fine Lines & Pigmentation: 3–6 months of consistent use. Because these changes happen at a structural level in the dermis, patience is key. We recommend taking a ‘day zero’ photo so you can track your progress over time!
How to Use Retinol: A Beginner’s Guide
The most common mistake people make is doing too much, too soon. Follow these steps for a successful start:
1. Choosing a Strength
- Beginners: Look for concentrations of 0.1% to 0.3%.
- Intermediate/Advanced: 0.5% to 1.0% is suitable once your skin has built up "retinization" (tolerance).
2. How Often to Start
Start with the "1-2-3 rule." Use it once a week for one week, twice a week for two weeks, and three times a week for three weeks. If your skin feels happy, you can eventually move toward nightly use.
3. The “Retinol Sandwich” Method
If you have sensitive skin, try this: Apply a thin layer of a nourishing barrier-repair moisturiser, wait a few minutes, apply your retinol, and follow with another layer of moisturiser. This buffers the active ingredient without rendering it ineffective.
4. Where it Fits in Your Routine
Retinol should only be used in the PM. Sunlight can deactivate the ingredient, and since it increases sensitivity, it’s best applied before bed. Always start with a gentle cleanser and always finish with a high-quality daily SPF the following morning.
Side Effects & Reducing Irritation
The retinol side effects, often called "retinol burn", include dryness, redness, and peeling. This is usually a sign that you are using too much or using it too frequently.
Retinol Purge vs. Irritation:
- Purging: This looks like small breakouts in areas where you usually get acne. It happens because retinol is "speeding up" the life cycle of clogs that were already there. It typically lasts 2–4 weeks.
- Irritation: This looks like stinging, persistent redness, or itchy patches in areas you don't usually break out. If this happens, pause your use and focus on hydration.
What NOT to Mix With Retinol
To keep your skin barrier intact, avoid using these in the same application as your retinol:
- Vitamin C: Use your Vitamin C serums in the morning and retinol at night.
- AHAs/BHAs (Glycolic/Salicylic Acid): Using these together can lead to over-exfoliation. Use them on alternate nights.
- Benzoyl Peroxide: These can sometimes cancel each other out or cause extreme dryness.
What's okay? Hyaluronic acid, niacinamide, and ceramides are fantastic partners for retinol!
Who Should (and Shouldn’t) Use Retinol?
Most adults can benefit from retinol starting in their mid-20s. However, there are exceptions:
- Pregnancy/Breastfeeding: Retinol is generally not recommended during this time. Consult your doctor for pregnancy-safe alternatives like Bakuchiol.
- Active Eczema/Rosacea: Consult a professional before starting, as the skin barrier is already compromised.
Eden SkinStore Product Picks
For Beginners: Image Skincare Ageless+ Retinol Pure Liquid 0.1% (30ml)
This is the perfect "entry-level" retinol. It uses XOSM™ Technology to deliver the ingredient effectively but gently. It’s an oil-free serum that feels weightless.
- Key Ingredients: Squalane, Moringa Oleifera Seed Oil, Retinol, Bisabolol, Ginger Root Extract.
- How to Use: Apply a pea-sized amount at night. Start 1–2 times weekly and build up. Always follow with sun protection the next day.
For a Rich Overnight Treatment: Image Skincare Ageless+ Retinol Repair Creme 0.3% (50ml)

A decadent cream that works while you sleep. This 0.3% complex supports collagen while shea butter protects your barrier.
- Key Ingredients: Niacinamide, Glycolic Acid, Shea Butter, Retinol, Bakuchiol, Ferulic Acid.
- How to Use: Apply a thin layer at night after water-based serums. This can replace your standard night moisturiser.
For Intermediate Users: Image Skincare Ageless+ Retinol Pure Liquid 0.75% (30ml)

Ready to level up? This 0.75% pure retinol serum targets deeper lines and uneven texture with the added brightening power of Vitamin C.
- Key Ingredients: Squalane, Retinol, Vitamin C, Argan Oil.
- How to Use: PM only, pea-sized amount. Begin 1–2 times weekly. Follow with a nourishing moisturiser.
For Seasoned Users: SkinCeuticals Retinol 1.0 (30ml)

A highly concentrated, clinical-grade night cream. This is designed for those who have used retinol before and want to target deep wrinkles and stubborn blemishes.
- Key Ingredients: Niacinamide, Tranexamic Acid, Retinol, Boswellia Serrata Gum.
- How to Use: PM only. Apply a pea-sized amount to clean skin, avoiding the eye area. Start 1x weekly.
For Advanced Results: Obagi Retinol 1.0 (28g)

Obagi is known for its delivery systems. This 1% retinol is slow-release, meaning it works over several hours to minimise the "shock" to your skin while maximising results.
- Key Ingredients: Shea Butter, Jojoba Seed Oil, Retinol, Chamomile Extract, Sodium Hyaluronate.
- How to Use: PM only. Use a small amount after cleansing. Follow with a moisturiser to lock in hydration.
Finding Your Glow with Eden SkinStore
Retinol is a journey, not a quick fix. It’s about building a relationship with your skin and learning to listen to what it needs. Whether you’re looking to clear up stubborn breakouts or simply want to maintain a healthy, youthful radiance, there is a Vitamin A formula out there that fits your life.
At Eden SkinStore, we don’t just sell products; we’re here to help you navigate the 'purge' and celebrate the glow. If you're still feeling a bit unsure about where to start, our team is always available for a chat to help you build a routine that feels right for you.
Ready to start your journey?
Explore our curated Retinol Collection