Choosing between The Ordinary Niacinamide 10% + Zinc 1% and Paula’s Choice 10% Niacinamide Booster can be confusing. Both serums contain 10% niacinamide, an ingredient known for helping improve the appearance of uneven skin tone, visible pores, excess oil, and skin texture. However, their supporting ingredients, formulas, and prices differ.
The Ordinary focuses on niacinamide and Zinc PCA in a straightforward, budget-friendly formula. Paula’s Choice combines niacinamide with additional ingredients, including acetyl glucosamine, panthenol, humectants, and antioxidants.
So, which serum is the better choice for your skin?
In this guide, we compare their ingredients, benefits, texture, suitability for different skin types, value for money, and how to use each product in your skincare routine.
Quick Comparison: The Ordinary vs Paula’s Choice Niacinamide
| Feature | The Ordinary Niacinamide 10% + Zinc 1% | Paula’s Choice 10% Niacinamide Booster |
|---|---|---|
| Niacinamide concentration | 10% | 10% |
| Key supporting ingredients | Zinc PCA | Acetyl glucosamine, panthenol, sodium hyaluronate, antioxidants |
| Main focus | Visible oiliness, blemishes, and congestion | Visible pores, uneven tone, texture, and signs of aging |
| Formula | Water-based serum | Lightweight liquid booster |
| Best suited to | People looking for a straightforward niacinamide serum, especially for oily skin | People wanting niacinamide alongside additional skin-conditioning ingredients |
| Routine flexibility | Used as a standalone serum | Used alone or mixed with a compatible serum or moisturizer |
| Price positioning | Generally more affordable | Premium-priced |
| Overall advantage | Budget-friendly simplicity | More varied supporting ingredients |
Quick verdict: The Ordinary may be the better starting point if you want an affordable niacinamide serum and are mainly concerned about excess oil and visible blemishes. Paula’s Choice may appeal more if you prefer a multi-ingredient formula targeting several visible skin concerns.
Neither product is automatically better for everyone. Your skin’s tolerance, routine, budget, and main concerns matter just as much as the ingredient list.
1. What Is The Ordinary Niacinamide 10% + Zinc 1%?
The Ordinary Niacinamide 10% + Zinc 1% is a water-based facial serum formulated with niacinamide and Zinc PCA. It is designed to improve the appearance of visible oiliness, uneven texture, blemishes, and congestion.
Niacinamide, also known as vitamin B3, is a versatile skincare ingredient that supports the skin barrier and helps improve the appearance of uneven skin tone. Zinc PCA complements the formula’s focus on oily and blemish-prone skin.
Key ingredients
Niacinamide 10%
Niacinamide can help improve the appearance of enlarged pores, uneven skin tone, dullness, and post-blemish marks. It also supports the skin barrier, helping skin retain moisture.
Zinc PCA 1%
Zinc PCA is included to complement the serum’s oil-control focus. The formula is particularly appealing to people who experience a shiny complexion or visible congestion.
Benefits of The Ordinary Niacinamide Serum
- Helps reduce the appearance of excess oil and shine.
- Can improve the appearance of enlarged pores.
- Supports a smoother-looking skin texture.
- Helps improve the appearance of uneven skin tone.
- Offers a simple formula at a generally accessible price.
Potential drawbacks
The 10% niacinamide concentration may be too strong for some people, particularly those with easily irritated skin. Some users may experience redness, stinging, dryness, or pilling when layering it with other products.
The presence of Zinc PCA does not mean the serum will treat every cause of acne. Persistent or painful breakouts may need a more targeted treatment.
2. What Is Paula’s Choice 10% Niacinamide Booster?
Paula’s Choice 10% Niacinamide Booster is a lightweight treatment designed to improve the appearance of visible pores, uneven skin tone, rough texture, and post-breakout marks.
Like The Ordinary serum, it contains 10% niacinamide. However, its formula includes a broader range of supporting ingredients.
Key ingredients
Niacinamide 10%
Niacinamide helps improve the appearance of enlarged pores, dullness, fine lines, and uneven skin tone while supporting the skin barrier.
Acetyl glucosamine
This skin-conditioning ingredient is often used in formulas targeting uneven skin tone and the appearance of discoloration. It complements niacinamide in a multi-ingredient formula.
Panthenol (vitamin B5)
Panthenol helps attract and retain moisture and supports a comfortable skin feel.
Sodium hyaluronate
This form of hyaluronic acid helps attract moisture to the skin, contributing to a more hydrated appearance.
Antioxidants and soothing ingredients
The formula also includes ingredients such as ascorbyl glucoside, licorice-derived ingredients, beta-glucan, and allantoin. These support the product’s broader approach to skin conditioning, antioxidant support, and soothing.
Ingredient lists can change, so check the packaging of the product you purchase.
Benefits of Paula’s Choice Niacinamide Booster
- Helps improve the appearance of enlarged pores.
- Supports a more even-looking skin tone.
- Can improve the appearance of rough texture and post-breakout marks.
- Includes additional hydrating and skin-conditioning ingredients.
- Can be used alone or added to a compatible serum or moisturizer.
Potential drawbacks
The main disadvantage is its premium price. The formula also contains 10% niacinamide, so it is not necessarily more suitable for sensitive skin simply because it has more supporting ingredients.
If you already own a moisturizer and hydrating serum that work well for you, you may not need to spend more on a booster with additional ingredients.
3. The Ordinary vs Paula’s Choice: Ingredient Comparison
Both products contain the same stated concentration of niacinamide, but they are not identical.
Which formula is better for oily skin?
The Ordinary has a clear focus on visible oiliness and congestion, with Zinc PCA as its main supporting ingredient. This makes it a practical option for people whose primary concern is a shiny complexion.
Paula’s Choice also targets visible pores and uneven texture, but it combines niacinamide with ingredients that support hydration, soothing, and the appearance of discoloration.
Neither formula should be expected to eliminate oil production or permanently shrink pores. Pore appearance is influenced by factors such as genetics, oiliness, and skin structure.
Which formula is better for uneven skin tone?
Both products may help improve the appearance of uneven skin tone because they contain niacinamide.
Paula’s Choice includes acetyl glucosamine and other supporting ingredients that make its formula particularly interesting for people concerned about the appearance of post-breakout marks and dullness.
However, there is no direct head-to-head clinical evidence here proving that Paula’s Choice produces better results than The Ordinary.
For either serum, daily broad-spectrum sunscreen is important if uneven tone or dark marks are concerns.
Which formula is better for hydration?
Paula’s Choice contains ingredients such as panthenol, glycerin, and sodium hyaluronate that support hydration and skin conditioning.
The Ordinary is a more straightforward formula and can still fit into a hydrating routine when followed with a suitable moisturizer.
If your skin is dry, remember that a niacinamide serum is not a substitute for a moisturizer.
4. Texture and Application: Which Serum Feels Better?
Texture is a personal preference, and the way a serum feels can depend on how much you apply, what you layer it with, and your skin type.
The Ordinary Niacinamide 10% + Zinc 1%
The Ordinary is a water-based serum. Some users find that it feels slightly tacky or pills when layered with certain moisturizers or sunscreens.
To reduce pilling, try using fewer drops, allowing the serum to settle, and avoiding too many layers at once.
Paula’s Choice 10% Niacinamide Booster
Paula’s Choice is designed as a lightweight liquid booster. It can be applied on its own or mixed with a compatible serum or moisturizer according to the brand’s instructions.
Its flexible application may appeal to people who want to incorporate a treatment into an existing routine without adding a completely separate step.
Texture winner: There is no universal winner. If you dislike tacky finishes, try a small amount of each formula when possible before committing to a full-size product.
5. Which Niacinamide Serum Is Better for Your Skin Type?
Oily skin
The Ordinary is a reasonable first choice if your main concerns are excess shine, visible pores, and congestion. Zinc PCA complements its oil-focused positioning.
Paula’s Choice can also be suitable for oily skin, particularly if uneven tone and texture are additional concerns.
Combination skin
Either serum may work for combination skin. Choose based on your main concern and the rest of your routine rather than assuming that a higher-priced product will work better.
Dry skin
Dry skin can benefit from niacinamide, but hydration and barrier support are important.
Paula’s Choice includes more hydrating supporting ingredients, while The Ordinary can be paired with a hydrating serum and moisturizer. If either product leaves your skin feeling tight or uncomfortable, reduce use or discontinue it.
Sensitive skin
Neither product is guaranteed to be suitable for sensitive skin. Both contain 10% niacinamide, which some people may find irritating.
Consider introducing a lower-concentration niacinamide product, patch-testing first, and keeping the rest of your routine simple. Stop using a product if it causes persistent burning, redness, or swelling.
Acne-prone skin
Both serums may help improve the appearance of blemishes and uneven texture, but neither should be considered a complete acne treatment.
If you have persistent, painful, or scarring acne, consult a dermatologist about treatments supported by evidence for your particular type of acne.
6. Which Serum Is Better for Dark Spots and Post-Acne Marks?
Niacinamide may help improve the appearance of post-acne marks and uneven pigmentation over time. It is not a skin-bleaching ingredient, and results vary.
The Ordinary offers a straightforward niacinamide formula, while Paula’s Choice combines niacinamide with acetyl glucosamine and other supporting ingredients.
If dark spots are your main concern, Paula’s Choice may be worth considering for its broader ingredient profile. However, that does not establish that it will deliver better results for every person.
For both products:
- Apply sunscreen with broad-spectrum SPF 30 or higher every morning.
- Avoid picking or squeezing blemishes.
- Introduce active ingredients gradually.
- Give your routine time to work before adding multiple new products.
If a dark spot changes, bleeds, or looks unusual, seek medical advice rather than treating it as ordinary pigmentation.
7. The Ordinary vs Paula’s Choice: Price and Value for Money
Price and value are two of the biggest differences between these serums.
The Ordinary is generally positioned as a budget-friendly option. It may be especially attractive if you want to try niacinamide without spending much on a treatment serum.
Paula’s Choice is a premium-priced product. Its broader ingredient profile and flexible booster format may justify the extra expense for some people, but the higher price does not guarantee better results.
For a fair comparison, check the current price in your country, bottle size, shipping costs, and whether the seller is authorized or reputable. Prices and availability vary by retailer and region.
Best value for a simple routine: The Ordinary.
Best fit for someone who wants a multi-ingredient booster: Paula’s Choice, provided the extra cost fits their budget.
8. How to Use The Ordinary Niacinamide and Paula’s Choice Niacinamide Booster
Both products can be incorporated into a morning or evening routine, provided your skin tolerates them.
Morning routine
- Cleanse with a gentle facial cleanser.
- Apply your chosen niacinamide serum according to its directions.
- Use a moisturizer suitable for your skin type.
- Finish with broad-spectrum SPF 30 or higher.
Evening routine
- Remove makeup and cleanse your skin.
- Apply your chosen niacinamide serum.
- Follow with a moisturizer.
Start with one application a day or less frequently if your skin is sensitive. Increase use only if your skin tolerates the product.
Can you use both serums together?
You generally do not need both products in the same routine because they provide the same main active ingredient at a 10% concentration.
Using both may increase the chance of irritation without offering a meaningful additional benefit. Choose one and use it consistently.
Can you use niacinamide with vitamin C?
Paula’s Choice’s formula includes ascorbyl glucoside, a vitamin C derivative. That is different from adding a separate pure L-ascorbic acid serum.
The Ordinary advises against pairing its Niacinamide 10% + Zinc 1% with direct or indirect vitamin C formulations. If you follow The Ordinary’s guidance, use the products at separate times rather than in the same routine. If you want to combine active ingredients, check the current instructions for each product and introduce changes gradually.
Niacinamide is often compatible with many common skincare ingredients, but individual tolerance and the full formulation matter.
9. How Long Does Niacinamide Take to Work?
Results depend on your skin, the concern you are targeting, how consistently you use the product, and the rest of your routine.
Some people notice changes in surface oiliness or skin feel sooner, while visible improvements in uneven tone, texture, and post-breakout marks can take several weeks or longer.
Use the product consistently as directed and take occasional photos in similar lighting if you want to compare changes.
If irritation develops, do not keep using the serum simply to reach a target timeline.
10. Common Mistakes to Avoid
To get the most from your niacinamide serum, avoid these common mistakes:
- Using too much: A few drops are generally sufficient. More product does not necessarily produce better results.
- Starting several active ingredients at once: Introduce one new product at a time so you can identify possible irritation.
- Skipping moisturizer: Even oily skin can benefit from a suitable moisturizer.
- Forgetting sunscreen: Sunscreen is particularly important when your concern is uneven skin tone or post-acne marks.
- Expecting permanent pore reduction: Serums can improve the appearance of pores, but they cannot permanently remove them.
- Ignoring irritation: Persistent stinging, redness, or burning is a reason to stop using the product.
11. Final Verdict: The Ordinary or Paula’s Choice?
Both The Ordinary Niacinamide 10% + Zinc 1% and Paula’s Choice 10% Niacinamide Booster offer a 10% niacinamide formula, but they serve slightly different preferences.
Choose The Ordinary Niacinamide 10% + Zinc 1% if:
- You want a more affordable serum.
- Excess shine and visible congestion are your main concerns.
- You prefer a straightforward formula.
- You want to try niacinamide without investing in a premium booster.
Choose Paula’s Choice 10% Niacinamide Booster if:
- You want niacinamide alongside additional hydrating and skin-conditioning ingredients.
- Uneven tone, visible pores, and rough texture are several of your concerns.
- You prefer a booster that can be used alone or added to a compatible product.
- The premium price fits your budget.
Our recommendation
For most beginners who want an affordable introduction to niacinamide, The Ordinary is a sensible starting point. Paula’s Choice is worth considering if you specifically want its broader supporting ingredients and prefer its booster format.
Neither serum is a guaranteed solution for acne, dark spots, or enlarged pores. The best choice is the one your skin tolerates, that addresses your concerns, and that you can use consistently as part of a balanced skincare routine.
Frequently Asked Questions
Is The Ordinary Niacinamide better than Paula’s Choice?
Not for everyone. The Ordinary is generally more affordable and includes Zinc PCA, while Paula’s Choice contains additional ingredients that support hydration, soothing, and the appearance of uneven tone. Your skin concerns and tolerance should guide your choice.
Which niacinamide serum is better for oily skin?
The Ordinary is a practical option for people mainly concerned with visible oiliness and congestion because its formula includes Zinc PCA. Paula’s Choice may also suit oily skin, particularly when uneven tone and texture are concerns.
Is Paula’s Choice Niacinamide Booster worth the money?
It may be worth the extra cost if you want its combination of niacinamide and supporting ingredients. If your main goal is a simple, affordable niacinamide serum, The Ordinary may offer better value for your needs.
Can I use The Ordinary Niacinamide every day?
Many people can use it daily, but tolerance varies. Start gradually, follow the product directions, and reduce use or stop if irritation occurs.
Can I use Paula’s Choice Niacinamide Booster every day?
The brand recommends using its booster once or twice daily. Start slowly if you are new to the product or have sensitive skin, and discontinue use if persistent irritation develops.
Can I use both niacinamide serums together?
You generally do not need to. Both contain 10% niacinamide, and using them together may increase irritation without providing a clear additional benefit.
Which serum is better for dark spots?
Both may help improve the appearance of uneven skin tone and post-breakout marks. Paula’s Choice includes additional ingredients such as acetyl glucosamine, but there is no guarantee it will outperform The Ordinary. Daily sunscreen is essential.
Can niacinamide cause purging?
Niacinamide is not typically associated with the same purging effect as ingredients that speed up skin-cell turnover, such as retinoids. New breakouts may instead reflect irritation, another product, or a separate skin concern.
Is a 10% niacinamide serum suitable for sensitive skin?
Not always. A 10% concentration can irritate some people. Consider a lower concentration, patch-test first, and stop using the product if you develop persistent redness, burning, or swelling.
References
- The Ordinary. Niacinamide 10% + Zinc 1%
- Paula’s Choice. 10% Niacinamide Booster
This article is for educational purposes only and is not a substitute for individualized medical advice. Product formulations can change; check the packaging and official product information before use.
