
In recent years, ingredients such as Niacinamide, BHA, and AHA have consistently appeared in the formulas of popular acne-care products.
They may sound familiar, yet many people still struggle to understand how these ingredients differ, which skin types they suit, and how they should be combined effectively.
👉 If you feel confused when choosing acne-care products, this article will help you understand the differences, make informed choices, and build a more effective routine.
🔍 BHA (Salicylic Acid) – Targeting Acne at the Pore LevelBHA is an oil-soluble acid that can penetrate deep into pores, where excess sebum and dead skin cells accumulate — the core cause of many acne concerns.
Key benefits of BHA:
Deeply cleanses and unclogs pores
Reduces blackheads and clogged pores
Helps prevent recurring acne caused by congestion
Best suited for:
Oily and combination skin, blackheads, clogged pores, and acne-prone skin with frequent breakouts.

AHA is a water-soluble acid that works mainly on the skin’s surface. It gently removes dead skin cells and supports skin renewal.
Key benefits of AHA:
Exfoliates dead skin cells on the surface
Smooths skin texture
Helps fade post-acne dark spots and uneven tone
Best suited for:
Rough skin texture, dull skin, and post-acne discoloration.
💡 When used at low concentrations (such as 0.5%) in rinse-off products like cleansers, AHA can be used more frequently due to its short contact time with the skin.

Unlike AHA or BHA, Niacinamide is not an acid. It is a water-soluble vitamin known for its ability to soothe inflammation and strengthen the skin barrier.
Key benefits of Niacinamide:
Calms inflamed and red acne
Balances excess oil
Helps fade post-acne marks
Strengthens the skin barrier, reducing sensitivity
Best suited for:
Sensitive skin, mild inflammatory acne, and weakened skin recovering from treatments.
A common mistake in acne care is focusing only on “clearing acne” while neglecting skin recovery.
According to skincare experts, a balanced routine should address both treatment and barrier support:
AHA / BHA: target clogged pores, acne, and uneven skin texture
Niacinamide: soothes, repairs, and helps prevent future breakouts
👉 When combined correctly, acne care becomes more effective, gentler, and more sustainable over time.
Recent skincare trends show increasing interest in gentle formulas that combine active ingredients at skin-friendly concentrations, especially for sensitive and acne-prone skin.
In particular, formulas that combine Niacinamide with low-concentration AHA (around 0.5%) are gaining attention for their ability to:
Support gentle exfoliation and surface renewal
Calm irritated, acne-prone skin
Be suitable for long-term, daily skincare routines
One solution often mentioned within this category is the LUMIA Acne Care Set, developed with a focus on gentle, skin-friendly formulations suitable for sensitive acne-prone skin.
👉 If you are exploring long-term, non-aggressive acne care approaches, you may find it helpful to learn more about the LUMIA Acne Care Set on our website.
Niacinamide, BHA, and AHA are not competing ingredients — each plays a distinct role in acne care.
Understanding their functions allows you to choose products that truly match your skin’s needs, minimize irritation, and achieve healthier skin over time.
👉 Stay tuned to our website for more science-based skincare insights and acne-care guidance.
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