Exfoliation for Post-Summer Dullness: AHAs, BHAs and PHAs Explained

By Aurasence Editorial Team
Medically reviewed by Dr. Shabna Mohammed
Distributed by Novacare Group

After months of UAE heat, strong sun, travel, sweat, sunscreen, and air conditioning, skin can reach the end of summer looking a little tired. You may notice rough texture, clogged pores, uneven-looking tone, or a dull surface that does not seem to improve with moisturiser alone.

This is where exfoliation for dull skin can help. But choosing an exfoliating acid is not simply a matter of finding the strongest formula. 

AHAs, BHAs, and PHAs work differently. AHAs mainly help improve surface texture and dullness. BHAs are particularly useful when oil and clogged pores are part of the concern. PHAs offer surface exfoliation with a generally gentler profile.

Understanding those differences can help you exfoliate effectively without turning a post-summer reset into an irritated skin barrier.

Why Can Skin Look Dull After Summer?

Dullness is not one single skin condition. It is usually the visible result of several things happening together.

Dead skin cells naturally collect at the surface before shedding. When that surface becomes uneven, light reflects less evenly, which can make the complexion appear flat or tired.

Summer can add other factors:

• Repeated sun exposure

• Sweat and excess oil

• Frequent sunscreen and makeup use

• Congested pores

• Dehydration

• Irregular skincare during travel

• Changes between outdoor humidity and indoor air conditioning

Sometimes hydration alone is enough to improve the appearance. But when roughness, congestion, and persistent dullness remain, carefully chosen exfoliation may be useful.

Chemical exfoliation uses ingredients such as alpha and beta hydroxy acids to loosen or remove surface dead skin cells rather than physically scrubbing them away.

The key word is carefully.

What Are AHAs?

Alpha hydroxy acids, or AHAs, are water-soluble exfoliating acids. Common examples include glycolic acid and lactic acid.

They work mainly at the surface of the skin by helping loosen the bonds between older skin cells. As those cells shed more evenly, skin can feel smoother and look fresher.

Research on hydroxy acids has linked AHAs with improvements in skin texture, pigmentation, photoageing, and acne when used appropriately.

AHAs may suit you if you notice:

• Rough surface texture

• Persistent dullness

• Uneven-looking tone

• A lack of smoothness

• Visible effects of sun exposure

Glycolic acid is particularly common because its small molecular size allows it to work efficiently.

That efficiency is also why more is not always better. High strength, frequent use, or combining several exfoliants may lead to stinging, dryness, or irritation.

If your skin has been sensitised by summer sun or over-treatment, start slowly.

What Are BHAs?

Beta hydroxy acids, or BHAs, work a little differently.

Salicylic acid is the best-known BHA used in skincare. Because it is oil-soluble, it can work within oily areas and pores as well as helping exfoliate the skin surface.

That makes a BHA especially relevant when dullness comes with:

• Excess oil

• Blackheads

• Visible congestion

• Acne-prone areas

• Uneven texture caused by clogged pores

The American Academy of Dermatology includes salicylic acid among exfoliating ingredients commonly used when clogged pores, acne, or rough texture are concerns.

A BHA does not automatically make a product better than an AHA. It simply gives the exfoliation a different focus.

If your main issue is rough, dry-looking surface skin, an AHA or PHA may make more sense. If your dullness sits alongside oily congestion, a BHA may deserve more attention.

What Are PHAs?

Polyhydroxy acids, or PHAs, belong to the same broad family of hydroxy acids but have a larger molecular structure.

Common examples include gluconolactone and lactobionic acid.

Their larger size means they tend to penetrate the skin more gradually. Research has found that PHAs can offer exfoliating and skin-smoothing benefits while generally causing less sensory irritation than traditional AHAs. They can also have humectant and barrier-supporting properties.

PHAs may be worth considering if:

• Your skin becomes irritated easily

• You are new to chemical exfoliation

• Your skin feels dry as well as dull

• You want gentler surface renewal

• Stronger acids have previously felt uncomfortable

“Gentler” does not mean irritation is impossible. Every active formula still needs to be introduced carefully.

AHA vs BHA vs PHA: Which One Does Your Skin Need?

Instead of asking which acid is strongest, ask what your skin is actually showing you.

Choose an AHA-focused approach when:

Your main concern is roughness, surface dullness, or uneven-looking texture.

Choose a BHA-focused approach when:

Your skin feels congested, oily, acne-prone, or prone to clogged pores alongside dullness.

Consider PHAs when:

You want exfoliation but your skin tends to feel dry, reactive, or easily overwhelmed.

Some formulas combine more than one acid family. This can address several concerns at once, but it also makes careful frequency and application even more important.

Where SKINLAB ILLUMINE PRO Fits Into a Dull-Skin Routine

If end-of-summer skin feels rough, uneven, and visibly dull, a periodic exfoliation treatment can make more sense than adding another daily serum.

SKINLAB ILLUMINE PRO Serum  is designed as an at-home peeling treatment. It is a 5-in-1 AHA, BHA, and PHA acid blend for dullness, uneven texture, visible pigmentation, and congestion. Named ingredients include salicylic acid alongside PHAs such as gluconolactone and lactobionic acid. The formula also contains glycerin, niacinamide, Vitamin E, and aloe vera.

The important part is how you use it.

ILLUMINE PRO is not intended to become another twice-daily serum. The product directions recommend using it no more than once a week, preferably in the evening.

Apply a thin layer to clean, completely dry skin, avoiding the eye area. Leave it on for no more than ten minutes, rinse thoroughly, then follow with a gentle moisturiser. A patch test is recommended before use.

Daily sunscreen becomes particularly important when exfoliating acids are part of your routine.

What Customers Say About SKINLAB ILLUMINE PRO

Customers have noticed visible improvements in skin texture and dullness with regular use. Imran Qazi shared that after a few uses, his skin texture felt smoother and dull patches looked brighter, describing the peeling serum as gentle yet effective. This experience reflects the concerns ILLUMINE PRO is designed to address, particularly when post-summer skin feels rough, uneven, or lacking radiance.

When Dullness Comes With Breakouts

Not every dull complexion needs the same exfoliation strategy.

If your skin looks tired but is also dealing with recurring blemishes or congestion, a product designed specifically around acne may be more appropriate than treating the entire face as a general dullness concern.

SKINLAB Acnecure Anti Acne Gel combines glycolic acid and salicylic acid with ingredients including green tea, sulfur, and gotu kola.

Here, the two acid families perform complementary roles. Glycolic acid supports surface exfoliation, while salicylic acid helps address oily, congested pores. Aurasence recommends applying the gel over acne-prone areas.

That does not mean ILLUMINE PRO and Acnecure should automatically be layered together.

Both contain exfoliating acids. Using several exfoliating products in the same routine can increase the chance of dryness and irritation.

If acne is your primary concern, build the routine around the acne treatment your skin already tolerates. If widespread dullness and rough texture are the main concerns, a periodic peeling treatment may make more sense.

When you are unsure how to combine active products, ask a dermatologist before experimenting.

How Often Should You Exfoliate Dull Skin?

There is no ideal number that suits everyone.

Frequency depends on:

• The strength of the product

• Your skin type

• Other active ingredients you use

• Previous experience with acids

• How your skin responds after each application

More frequent exfoliation does not guarantee faster radiance.

Over-exfoliated skin may feel tight, sting when ordinary products are applied, become unusually dry, or develop redness and sensitivity. The AAD recommends reducing or stopping exfoliation temporarily if dryness or irritation develops.

For a dedicated peel such as ILLUMINE PRO, follow the product's once-weekly maximum rather than increasing frequency because your skin still looks dull after the first use.

Visible improvement should come from consistency, not intensity.

What Should You Avoid on Exfoliation Night?

A simple routine is usually the safest routine when stronger exfoliation is involved.

On the evening you exfoliate, avoid creating a complicated mixture of acids, scrubs, retinoids, and acne treatments unless your dermatologist has specifically advised that combination.

The AAD notes that using exfoliation alongside products that already increase sensitivity or peeling can worsen dryness and irritation.

A straightforward routine can look like this:

1. Cleanse gently.

2. Dry the skin completely.

3. Use your exfoliation treatment according to its directions.

4. Rinse if needed.

5. Apply a gentle moisturiser.

The following morning, use sunscreen.

Can You Exfoliate When Your Skin Barrier Feels Damaged?

Dull skin sometimes creates pressure to “remove” the rough surface. But if your face is already burning, peeling, unusually red, or painful, exfoliation is unlikely to be the first priority.

Give the skin time to settle.

Focus on gentle cleansing, hydration, moisturising, and daytime sun protection. Once your skin feels comfortable again, reassess whether exfoliation is still needed.

This distinction matters after summer. Skin that looks dull because it is dehydrated or irritated does not necessarily need more active treatment.

What Results Should You Expect?

Chemical exfoliation can help improve the appearance of rough texture, congestion, and dullness, but it should not be treated as an overnight transformation.

After appropriate use, skin may gradually feel smoother and look fresher. Congested skin may also benefit when the right acid is used consistently.

Pigmentation and uneven tone usually take longer.

Avoid judging an exfoliant by whether your skin looks dramatically different the morning after using it. A successful routine should improve your skin without repeatedly leaving it uncomfortable.

Conclusion

Post-summer dullness does not always call for stronger skincare. It calls for more specific skincare.

AHAs are useful when surface roughness and dullness lead the concern. BHAs make sense when oil and clogged pores are involved. PHAs offer another route for those who want surface exfoliation with a generally gentler approach.

For broader dullness and uneven texture, SKINLAB ILLUMINE PRO brings multiple hydroxy acid families into a once-weekly peeling treatment. For acne-prone skin where congestion and blemishes are the main issue, SKINLAB Acnecure Anti Acne Gel uses glycolic and salicylic acids in a targeted acne-care formula.

Whichever route suits your skin, resist the urge to combine everything. Good exfoliation should leave room for recovery, moisturising, and daily sun protection.

Explore SKINLAB exfoliating care at Aurasence UAE and choose a routine that brings back smoothness without overdoing it.

Frequently Asked Questions

1. Which acid is best for dull skin?

AHAs are commonly used for surface dullness and rough texture. The best option still depends on your skin type and other concerns.

2. Is salicylic acid an AHA or BHA?

Salicylic acid is a BHA. It is especially useful when dullness comes with oily skin, congestion, or acne-prone pores.

3. Are PHAs gentler than AHAs?

PHAs generally penetrate more gradually and may be better tolerated by sensitive skin, although any exfoliating product can still cause irritation.

4. Can I use ILLUMINE PRO every day?

No. Aurasence recommends using SKINLAB ILLUMINE PRO no more than once weekly and following the product directions carefully.

5. Can I use two acid products together?

Avoid automatically layering multiple exfoliating products. Combining acids can increase irritation, so introduce actives carefully and seek dermatologist advice when needed.