How Do I Speed Up Skin Cell Renewal?

If your skin looks duller, feels rougher or doesn't seem to respond to the skincare you've always used, slower skin cell renewal may be part of the reason.

Skin is constantly renewing itself. New cells form in the deeper layers of the epidermis, move toward the surface and eventually become the dead skin cells that are naturally shed.

As we age, that process slows. Dead skin cells can remain on the surface longer, contributing to dullness, uneven texture and a rougher feel.

The answer isn't simply to exfoliate more. Healthy skin renewal is about encouraging cell turnover, removing excess surface buildup and supporting the skin while you do it.

Why Does Skin Cell Turnover Slow With Age?

Skin cells don't stop renewing as we get older, but the process becomes less efficient. The production and movement of new epidermal cells slow, and cumulative sun exposure can further affect how skin functions.

At the same time, aging skin tends to become drier and may recover more slowly when its barrier is disrupted.

That's why skin renewal in your 40s, 50s and beyond isn't just about removing dead skin. You want to encourage healthy renewal without continually stripping a skin barrier that may already need more support.

What Actually Helps Speed Up Skin Cell Renewal?

Retinoids and exfoliating acids are two of the most useful tools, but they work differently.

Retinoids Encourage Skin Renewal

Vitamin A is one of the most established skincare ingredients for increasing cell turnover and addressing visible signs of aging.

Retinoids influence how skin cells develop and renew and, with consistent use, can improve the appearance of fine lines, uneven pigmentation and texture.

Retinol is probably the form most people recognize, but it isn't the only option.

Retinal, also called retinaldehyde, is one conversion step closer to retinoic acid than retinol. That makes it an effective vitamin A option for someone who wants to address visible aging, uneven tone and texture.

Green Envee Retinal Renewal Complex is the retinal I recommend in the spa.

Retinoids are known to cause dryness, flaking and irritation, particularly when you're first introducing them. Start with retinal 2–3 nights per week. When your skin is comfortable, you can gradually increase to every other evening or more frequentlly when well tolerated.

Nightly use isn't something you have to work toward. The goal is consistent use at a frequency your skin handles well.

Exfoliating Acids Remove Surface Buildup

Retinoids and exfoliating acids aren't doing the same job.

Retinoids influence cell renewal. Exfoliation helps loosen and remove dead cells that have accumulated on the surface.

AHAs such as glycolic, lactic and mandelic acid can be especially helpful for dullness, rough texture and uneven-looking skin.

For many people, exfoliating 1–2 times per week is a reasonable starting point. Some people do well exfoliating 2–3 times per week, depending on the exfoliant, its strength and the rest of the routine.

And exfoliation doesn't have to happen at night.

I often prefer exfoliating in the morning, particularly when retinal is being used at night. It gives each active its own place in the routine rather than layering everything together. Always follow morning exfoliation with sunscreen.

For more on exfoliation, read The Complete Guide to At-Home Exfoliation for Radiant Skin.

Why Use Hydrate Facial Mist After Retinal?

This step may seem backwards because facial mists are often used before serums.

With Green Envee Retinal Renewal Complex, apply 1–2 pumps first, then follow with Green Envee Hydrate Facial Mist and gently massage it into the skin.

The mist adds water-based hydration and slip, helping the retinal spread easily across the skin while adding hydration to a routine that can otherwise be drying.

Then continue with your serums, moisturizer or facial oil as needed.

How Can I Make Retinal Easier on My Skin?

This is where the products you use around retinal can make a difference.

I especially like Lira Clinical REGEN PDRN+ Serum alongside retinal. It combines PDRN with hydrating ingredients and peptides, including Matrixyl 3000 peptides, copper peptide and Acetyl Hexapeptide-8.

Rather than adding another exfoliating active, PDRN+ adds hydration and supportive ingredients to the routine. This can be especially useful for dry or mature skin, or while your skin is adjusting to retinal.

You can still layer your skincare. The important thing is knowing what each layer is doing rather than stacking multiple strong actives simply because you can.

What If I Get Laser Treatments?

If you're investing in laser treatments for sun damage, pigmentation, texture or visible signs of aging, what you do between treatments matters too.

Retinal can be part of a longer-term home routine for many of the same concerns, but it isn't a replacement for laser treatment. Retinoids and exfoliating acids also need to be paused around many laser procedures. Follow your provider's instructions for when to stop and restart active skincare based on the treatment you're receiving. 

Once your skin has recovered and you've been cleared to resume your normal routine, consistent home care can help support your skin between professional treatments.

What About Skin Cell Renewal During Menopause?

As estrogen declines during and after menopause, skin can become drier, thinner and less resilient, while age-related changes in cell renewal are happening at the same time.

That can mean wanting more corrective skincare just as your skin becomes less tolerant of an aggressive routine.

I don't think the answer is to stop using effective actives. It's to use them thoughtfully.

Retinal can be your primary nighttime active. Exfoliation can have its own place in the routine, including in the morning. Then layer the hydrating serums, mists, oils and moisturizers your skin needs around them.

How Long Does Retinal Take to Work?

Give it time.

You may notice smoother texture or more brightness first. Improvements in fine lines, uneven pigmentation and overall skin quality take longer.

You may need more than one bottle to see the changes you're looking for. Retinoids work through continued use, so think of retinal as part of an ongoing skincare routine rather than a treatment you finish when the bottle is empty.

A Simple Starting Routine

This isn't about limiting how many products you use. It's about giving your active ingredients a sensible place in your routine.

Morning

Cleanse → exfoliate on appropriate mornings → hydrating and/or antioxidant serums → moisturizer as needed → broad-spectrum SPF

Evening on retinal nights

Cleanse → Green Envee Retinal Renewal Complex → Green Envee Hydrate Facial Mist → Lira REGEN PDRN+ or other supportive serums → moisturizer and/or facial oil as needed

Evening without retinal

Use hydrating serums, peptides, barrier-supportive products and other treatments appropriate for your skin.

Pila's Tip

When skin starts looking dull, don't automatically add another exfoliant.

When surface buildup is the problem, exfoliation can make a visible difference. When slower renewal and visible signs of aging are the bigger concern, retinal may deserve a more consistent place in your routine.

When you're using either one, hydration, barrier support and sunscreen help keep your skin comfortable enough to stay consistent.

Frequently Asked Questions

Q: Why does skin cell turnover slow down with age?
A: As skin ages, the production and movement of new epidermal cells become slower and less efficient. Cumulative sun exposure can contribute additional changes. Dead cells can remain on the surface longer, contributing to dullness and rougher texture.

Q: Is retinal stronger than retinol?
A: Retinal is one conversion step closer to retinoic acid than retinol. That doesn't mean every retinal formula is automatically stronger than every retinol formula because concentration and formulation matter, but retinal is an effective vitamin A option for addressing visible signs of aging.

Q: Is there a reason to use retinal every night?
A: More frequent use provides more consistent exposure to the active when your skin tolerates it, but nightly use isn't necessary for everyone. Consistent use a few nights per week or every other night can still be worthwhile. Increase frequency based on how your skin responds rather than making nightly use the goal.

Q: Can I exfoliate in the morning and use retinal at night?
A: Yes, when your skin tolerates both. I often prefer morning exfoliation because it separates exfoliating acids from your nighttime retinal. Always use broad-spectrum sunscreen afterward.

Q: Can I use retinal after laser treatment?
A: Retinoids and exfoliating acids are generally avoided during the healing period around many laser procedures. When you can restart depends on the treatment and how your skin is healing, so follow the instructions from the medical professional performing your laser treatment.

Q: Can I use retinal on dry or mature skin?
A: Yes. Start gradually and pay particular attention to hydration and barrier support. Dry or mature skin may simply do better with less frequent retinal use and more supportive layers around it.

Q: What's the difference between skin cell renewal and exfoliation?
A: Skin cell renewal is the biological process of producing new epidermal cells and moving them toward the surface. Exfoliation helps loosen and remove dead cells from the outer surface. They're related, but they're not the same process.

Healthy skin renewal isn't about making your skin turn over as quickly as possible. It's about encouraging renewal, clearing excess surface buildup and supporting the skin well enough to do both consistently.