6 Best The Ordinary Serums for Every Skin Concern

Finding high-quality, affordable skincare often feels like a frustrating game of trial and error. DECIEM changed the beauty industry forever by prioritizing absolute ingredient transparency, a cruelty-free ethos, and radically budget-friendly pricing. If you want to refine your daily regimen without overspending, pinpointing the best The Ordinary serums is exactly where you start. The challenge isn’t just about grabbing the absolute best the ordinary formulas off the shelf; it’s matching those potent, clinical-style ingredients to your unique complexion. Stop guessing at the beauty counter. Let’s decode these iconic drops to target your specific concerns safely and effectively.

How to Choose the best The Ordinary serums for Your Skin Type

Skincare is never one-size-fits-all. Buying what currently trends online usually ends in a compromised skin barrier. Instead, look in the mirror and analyze your face. Does it feel tight and dry? You need deep hydration. Struggling with unwanted texture or a dull look? Exfoliating or brightening ingredients are your friends. Focus on your single primary concern first. Build your routine entirely around active ingredients formulated specifically to support that specific goal.

Top 6 Best The Ordinary Serums Reviewed

1. The Ordinary Niacinamide 10% + Zinc 1%

Best For: Blemish-prone and oily skin. 

Key Ingredients: Niacinamide (Vitamin B3), Zinc PCA. 

The Benefits: This is easily one of the best The Ordinary products for blemish-prone skin on the market today. It expertly balances visible sebum activity, visibly reduces the appearance of enlarged pores, and promotes a much clearer-looking complexion overall. Think of it as your daily clarifying booster. 

How to Layer: Apply this morning and night. Keep it away from pure Vitamin C (L-Ascorbic Acid) in the same routine to avoid diminishing its efficacy. If your skin feels overly slick by noon, massaging a few drops of The Ordinary Niacinamide 10% + Zinc 1% 30ml under your moisturizer can make a noticeable difference in midday shine. 

Pros & Cons: It is highly affordable and excels at controlling excess oil. The main drawback? The formula can sometimes pill under heavy makeup if you apply too much.

2. The Ordinary Hyaluronic Acid 2% + B5

Best For: All skin types, especially dry and dehydrated skin. 

Key Ingredients: Multi-molecular Hyaluronic Acid, Vitamin B5. 

The Benefits: Dehydrated skin looks flat. This fan-favorite formula delivers multi-depth hydration, visibly plumps the skin, and actively supports a resilient skin barrier. In almost every The Ordinary hyaluronic acid review you read, beauty editors praise its unique ability to revive a tired-looking complexion instantly. 

How to Layer: Always apply this to slightly damp skin. This gives the hyaluronic molecules actual water to pull from. Follow immediately with a heavier cream to seal it all in. To banish persistent flakiness, smoothing The Ordinary Hyaluronic Acid 2% + B5 30ml onto freshly cleansed skin feels incredibly soothing. 

Pros & Cons: Offers fantastic hydration for the price. The texture can feel slightly tacky until it fully dries down.

>> The Ordinary Niacinamide 10% + Zinc 1% Anti-Acne Serum Review

3. The Ordinary Multi-Peptide + HA Serum

Note: Previously known as “Buffet”. 

Best For: Those looking for overall visible skin support and healthy aging. 

Key Ingredients: Multiple peptide complexes, Hyaluronic Acid, Amino Acids. 

The Benefits: If you want a brilliant all-rounder, this is it. It stands out significantly among The Ordinary healthy-aging serums by targeting multiple signs of visible aging simultaneously. It improves the look of fine lines and vigorously supports skin elasticity. 

How to Layer:Avoid pairing this with direct acids or direct Vitamin C. Low-pH ingredients can easily compromise these fragile peptides. A single pump of The Ordinary Multi-Peptide + HA Serum 30ml gently pressed into the face morning and night provides excellent daily nourishment. 

Pros & Cons: Delivers comprehensive, multi-targeted results without redness or irritation. It is slightly pricier than their standard single-ingredient offerings.

4. The Ordinary Retinol 0.5% in Squalane

Best For: Experienced skincare users targeting visible signs of aging and uneven texture. 

Key Ingredients: Pure Retinol, Squalane. 

The Benefits: Retinol remains a true industry powerhouse. Among the best The Ordinary serums, this particular squalane-based formula promotes a smoother visible skin texture and helps reduce the appearance of fine lines and photo-damage. The squalane base tempers the intensity, providing necessary hydration. 

How to Layer: PM use only. Retinol makes your skin highly sensitive to UV rays. You must apply a broad-spectrum sunscreen the next morning. Skipping SPF negates all your hard work. Using a dermatologist-loved option like EltaMD UV Clear Broad-Spectrum SPF 46 daily will protect your newly refined skin from sun damage. 

Pros & Cons:Highly effective for texture refinement. However, it can cause mild peeling or redness initially. Start slow—apply just once or twice a week.

5. The Ordinary Vitamin C Suspension 30% in Silicone

Best For: Dull skin and uneven tone (Not recommended for highly sensitive skin). 

Key Ingredients: 30% L-Ascorbic Acid (pure Vitamin C). 

The Benefits: Wake up dull skin fast. This high-strength formula visibly brightens the skin tone and acts as a potent antioxidant to protect against daily environmental stressors. 

How to Layer: Use this ideally in the PM due to its thicker texture. Never mix it with Niacinamide or Peptides in the same session. 

Pros & Cons: The brightening results are genuinely impressive. The caveat? The silicone base feels distinctly gritty, and you will likely experience a strong tingling sensation upon application.

6. The Ordinary Caffeine Solution 5% + EGCG

Best For: Puffy under-eyes and visible dark circles. 

Key Ingredients: Caffeine, Epigallocatechin Gallatyl Glucoside (EGCG). 

The Benefits: Tired eyes need a wake-up call. This targeted drop helps reduce the look of puffiness and visibly brightens the delicate eye contour. 

How to Layer: Massage a very small drop onto the eye contour AM and PM before applying heavier face creams. 

Pros & Cons: Excellent for morning puffiness. It won’t, however, fix dark circles caused by genetics or deep facial bone structure.

>> The Ordinary Retinol 0.2% in Squalane Review

How to Layer The Ordinary Serums Safely

Building a safe The Ordinary skincare routine requires strategy. Just slapping products on your face won’t work. Learn exactly how to layer The Ordinary serums to maximize their benefits without stressing your delicate barrier.

• Rule 1: Patch Test First: Never skip this step. Apply a tiny amount of the new product behind your ear or on your inner forearm. Wait 24 hours. No redness? You are clear to proceed.
• Rule 2: Thinnest to Thickest: Always apply water-based drops first. Follow up with anhydrous (water-free) or oil-based formulas. Finish by locking everything down with a basic moisturizer. A simple, fragrance-free barrier cream like The Ordinary Natural Moisturizing Factors + HA 100ml is perfect for sealing in active ingredients.
• Rule 3: Don’t Overdo Actives: More is not better. Stick to a maximum of three serums per routine. Overloading the skin compromises the lipid barrier and invites redness.

Frequently Asked Questions (FAQs)

Can I use Niacinamide and Vitamin C together? Avoid mixing them in the exact same application. They can negate each other or cause temporary skin flushing. Use your Vitamin C in the morning and save the Niacinamide for the night.

Does The Ordinary cause skin purging? Active ingredients like Retinol and direct acids speed up cell turnover, occasionally leading to a temporary purge. Hydrating formulas like Hyaluronic Acid should not cause any purging.

Is The Ordinary pregnancy-safe? Many of their gentle basics are fine, but you must always consult your doctor first. Actives like Retinol are generally strictly avoided during pregnancy.

Final Thoughts

Curating a bathroom cabinet full of affordable face serums doesn’t mean compromising on quality. The science is solid. The ingredients are transparent. Finding the best The Ordinary serums comes down to listening to your skin and being patient with the process. Identify your main concern, patch-test diligently, and introduce potent actives slowly. Ready to upgrade your routine? Tell us which Deciem favorite transformed your skin in the comments below!

Reviewed by the BeauUp Editorial Team Written by a Senior Beauty & Wellness Editor and medically reviewed by licensed esthetics professionals. We prioritize evidence-based skincare recommendations tailored for healthy, resilient skin.