# numbuzin No.5 Vitamin Boosting Essential Toner for oily acne-prone skin

**Lovi Fit: Superior fit for oily acne-prone skin.**
Oily Skin Fit: Superior · Effectiveness: Superior · Safety: Excellent.

Page: https://lovi.care/skincare/p/numbuzin/no-5-vitamin-boosting-essential-toner/for/oily-acne-prone-skin

The Lovi Fit is the same in every country; only the stores and prices differ, and the ones here are for the United States.

Brand: [numbuzin](https://lovi.care/skincare/brands/numbuzin)
Category: [Toners](https://lovi.care/skincare/best/toners)

This fit is calculated for the concerns frequently associated with oily acne-prone skin: shine, breakouts, blemishes, and enlarged pores. For scores based on a full skin profile (12D face scan, goals, preferences), use the Lovi app.

One of the best toners for oily acne-prone skin.

## Why this fit

- Excellent suitability for your oily skin as Niacinamide and 3-O-Ethyl Ascorbic Acid work synergistically to regulate sebum production and provide antioxidant benefits, directly addressing your concerns with acne, blemishes, and oiliness. Glycerin and Panthenol further enhance hydration, ensuring your skin remains moisturized without feeling greasy.
- The inclusion of Bisabolol and Madecassoside contributes to soothing the skin, complementing the active ingredients and promoting overall skin health.
- This formula is safe for your skin, with no reported irritation risks and a composition that actively supports your skin's needs.

## Fit by skin type

- [Oily skin](https://lovi.care/skincare/p/numbuzin/no-5-vitamin-boosting-essential-toner/for/oily-skin): Superior
- [Dry skin](https://lovi.care/skincare/p/numbuzin/no-5-vitamin-boosting-essential-toner/for/dry-skin): Superior
- [Combination skin](https://lovi.care/skincare/p/numbuzin/no-5-vitamin-boosting-essential-toner/for/combination-skin): High
- [Sensitive skin](https://lovi.care/skincare/p/numbuzin/no-5-vitamin-boosting-essential-toner/for/sensitive-skin): High
- [Acne-prone skin](https://lovi.care/skincare/p/numbuzin/no-5-vitamin-boosting-essential-toner/for/acne-prone-skin): Superior
- [Skin with dark spots](https://lovi.care/skincare/p/numbuzin/no-5-vitamin-boosting-essential-toner/for/dark-spots): High
- [Mature skin](https://lovi.care/skincare/p/numbuzin/no-5-vitamin-boosting-essential-toner/for/mature-skin): High
- [Dry sensitive skin](https://lovi.care/skincare/p/numbuzin/no-5-vitamin-boosting-essential-toner/for/dry-sensitive-skin): High
- [Oily acne-prone skin](https://lovi.care/skincare/p/numbuzin/no-5-vitamin-boosting-essential-toner/for/oily-acne-prone-skin): Superior (this page)

## Key ingredients

Niacinamide, Ascorbic Acid, Glutathione, Madecassoside, Panthenol

## What the research says

- A single application of a moisturizing fluid containing hyaluronic acid 1%, glycerin 5%, and Centella asiatica stem cells extract significantly increased skin hydration by 29% and reduced transepidermal water loss at 24 hours compared to baseline and an untreated control site in twenty healthy women. ([Clinical, Cosmetic and Investigational Dermatology, 2017](https://pubmed.ncbi.nlm.nih.gov/28860834/))
- A new topical panthenol-containing emollient significantly improved transepidermal water loss reduction, stratum corneum hydration, and intercellular lipid lamellae length compared with control in healthy subjects without negatively impacting bacterial viability. ([The Journal of Dermatological Treatment, 2017](https://pubmed.ncbi.nlm.nih.gov/27425824/))
- Co-delivery of paeonol and madecassoside via nanoemulsions improved transdermal delivery, promoted barrier repair proteins, inhibited inflammatory cytokine secretion in cellular and 3D models, and reduced transepidermal water loss and acne in human facial skin compared to free components. ([Molecules, 2023](https://pubmed.ncbi.nlm.nih.gov/37446936/))
- Topical dexpanthenol acts as a moisturizer, improves stratum corneum hydration, accelerates wound healing and epidermal regeneration, reduces erythema, and improves symptoms of skin irritation compared to vehicle or no pretreatment. ([American Journal of Clinical Dermatology, 2002](https://pubmed.ncbi.nlm.nih.gov/12113650/))
- Topical post-laser application of human adipocyte-derived mesenchymal stem cell media combined with niacinamide significantly improved wrinkle index, melanin index, patient satisfaction, and investigator esthetic improvement scores compared to vehicle cream in patients with aging skin. ([Journal of Cosmetic Dermatology, 2021](https://pubmed.ncbi.nlm.nih.gov/33103316/))
- Topical nicotinamide prevented solar-simulated UV-induced immunosuppression in healthy volunteers, and men experienced immunosuppression at solar-simulated UV doses three times lower than those required for women. ([The Journal of Investigative Dermatology, 2008](https://pubmed.ncbi.nlm.nih.gov/17882270/))
- Topical 5% niacinamide applied twice daily for 12 weeks reduced fine lines and wrinkles, hyperpigmented spots, red blotchiness, and skin sallowness, and improved skin elasticity compared to vehicle control in 50 female white subjects with facial photoaging. ([Dermatologic Surgery, 2005](https://pubmed.ncbi.nlm.nih.gov/16029679/))
- Topical application of 5% vitamin C cream significantly improved global clinical scores, increased skin microrelief density, and induced elastic tissue repair in photoaged skin compared to excipient control in healthy female volunteers. ([Experimental Dermatology, 2003](https://pubmed.ncbi.nlm.nih.gov/12823436/))
- Ascorbic acid 2-glucoside gel significantly reduced gingival melanin pigmentation after 4 weeks compared to placebo in 73 subjects with symmetric pigmentation. ([Journal of Periodontology, 2009](https://pubmed.ncbi.nlm.nih.gov/19186973/))
- Topical application of VC-IP cream twice daily for 8 weeks reduces periorbital wrinkles in female subjects compared to a placebo cream. ([Journal of Cosmetic Dermatology, 2022](https://pubmed.ncbi.nlm.nih.gov/34910367/))
- Glutathione amino acid precursors effectively increase cellular glutathione levels, reducing oxidative stress, ATP depletion, and DNA damage in human keratinocytes, clinical subjects, and ex vivo skin compared to controls. ([Journal of the European Academy of Dermatology and Venereology, 2024](https://pubmed.ncbi.nlm.nih.gov/38189670/))
- Topical oxidized glutathione significantly decreases the skin melanin index and improves moisture content, smoothness, wrinkle formation, and elasticity compared to placebo in healthy women. ([Clinical, Cosmetic and Investigational Dermatology, 2014](https://pubmed.ncbi.nlm.nih.gov/25378941/))
- Topical glutathione improves hyperpigmentation, reduces ultraviolet-induced erythema and wrinkles, decreases transepidermal water loss, and enhances antioxidant capacity. ([The Journal of Clinical and Aesthetic Dermatology, 2025](https://pubmed.ncbi.nlm.nih.gov/41416233/))
- Topical application of 0.05% w/w ECa 233 gel reduced erythema index by 0.03 U and improved early crusting and general wound appearance compared to placebo in thirty individuals undergoing facial laser resurfacing. ([Journal of Alternative and Complementary Medicine, 2020](https://pubmed.ncbi.nlm.nih.gov/32310680/))
- Moisturizer containing 5% panthenol, madecassoside, and copper-zinc-manganese decreased adverse reactions and downtime after ablative fractional carbon dioxide laser resurfacing with comparable efficacy to 0.02% triamcinolone acetonide cream in 20 subjects. ([Journal of Cosmetic Dermatology, 2019](https://pubmed.ncbi.nlm.nih.gov/30945430/))
- Topical treatment with 5% vitamin C and 0.1% madecassoside significantly improved clinical scores for wrinkles, suppleness, firmness, roughness, and skin hydration, along with functional and structural remodeling of the elastic fiber network in 20 female volunteers with photoaged skin after 6 months compared to baseline. ([Experimental Dermatology, 2008](https://pubmed.ncbi.nlm.nih.gov/18503551/))
- Topical dexpanthenol formulated in lipophilic vehicles improved stratum corneum hydration and reduced transepidermal water loss compared to vehicle control in humans. ([Arzneimittel-Forschung, 2000](https://pubmed.ncbi.nlm.nih.gov/10965426/))
- Hyaluronic acid, hyaluronic acid plus dexpanthenol, and isotonic saline nasal sprays all significantly improved dry nose symptoms over four weeks in 240 patients, with hyaluronic acid plus dexpanthenol providing superior nasal moisturisation compared to the other two. ([Auris, Nasus, Larynx, 2020](https://pubmed.ncbi.nlm.nih.gov/32067777/))
- A combination serum containing galactomyces ferment filtrate, dexpanthenol, and Centella asiatica effectively treated post-acne hyperpigmentation in subjects with colored skin by significantly increasing lightness scores in Fitzpatrick skin type V and reducing the melanin index in Fitzpatrick skin type IV compared to placebo. ([Skinmed, 2021](https://pubmed.ncbi.nlm.nih.gov/33938432/))

## What reviewers say

Based on a very large amount of data, users frequently praise this toner for its essence-like, viscous texture that deeply hydrates and creates an immediate "glass skin" glow, making it ideal for dull or dehydrated skin. While many report a more radiant complexion over time, significant fading of hyperpigmentation and dark spots is often described as a slow process requiring consistent, long-term use.

- Liked: Deep hydration (mostly mentioned)
- Liked: Essence-like texture (often mentioned)
- Liked: Immediate glow (often mentioned)
- Liked: Brightening ingredients (sometimes noted)
- Disliked: Slow brightening results (sometimes noted)
- Disliked: Potential irritation (rarely noted)
- Disliked: Sticky finish (rarely noted)

## How to apply

- Could be used as part of your AM or PM routine. Start using it 3 times a week and move to daily use if your skin feels fine.
- Apply your hydrating toner after cleansing and before putting on your moisturizer or SPF.
- Gently press 2-3 drops of the hydrating toner into your skin with your hands. Let it ⏱absorb for a minute before adding your next product.
- Applying the hydrating toner on slightly damp skin helps your face absorb it better. This keeps your oily skin balanced and hydrated.
- Be sure to avoid the eye area when applying. Do a patch test before your first use to check for any reaction.
- Video: https://storage.pora.ai/25abe7eb181ba53153fd15de2058c2a9.mp4

## Questions and answers

### What makes Numbuzin No.5 Vitamin Boosting Essential Toner one of the best fits for oily acne-prone skin?

This toner is an excellent fit because niacinamide and vitamin C help control oil and target breakouts, while glycerin and panthenol keep your skin hydrated without feeling greasy. Ingredients like bisabolol and madecassoside help calm your skin, and the formula has a safe profile with a low risk of irritation.
Sources: [Molecules, 2023](https://pubmed.ncbi.nlm.nih.gov/37446936/)

### Which ingredients make this toner a good fit for oily acne-prone skin?

Niacinamide and vitamin C ingredients make this toner a great fit by helping to control excess oil and brighten blemishes on oily acne-prone skin. Glycerin and panthenol keep your skin moisturized without feeling greasy, while bisabolol and madecassoside calm redness.
Sources: [Molecules, 2023](https://pubmed.ncbi.nlm.nih.gov/37446936/), [Clinical, Cosmetic and Investigational Dermatology, 2017](https://pubmed.ncbi.nlm.nih.gov/28860834/)

### What does Niacinamide do for oily acne-prone skin?

Niacinamide helps balance oil production, calms redness, and is unlikely to irritate oily, acne-prone skin while improving blemishes. Clinical tests show it reduces excess oil and helps clear up both inflammatory and non-inflammatory acne breakouts.
Sources: [Journal of Cosmetic and Laser Therapy, 2006](https://pubmed.ncbi.nlm.nih.gov/16766489/), [Journal of Cosmetic Dermatology, 2024](https://pubmed.ncbi.nlm.nih.gov/38299457/)

### What does Vitamin C do for oily acne-prone skin?

Vitamin C helps brighten skin, smooth out texture, and improve uneven spots for oily acne-prone skin. It may also help fade marks left behind by blemishes.
Sources: [Journal of Cosmetic Dermatology, 2020](https://pubmed.ncbi.nlm.nih.gov/31975502/), [Journal of Cosmetic Dermatology, 2023](https://pubmed.ncbi.nlm.nih.gov/37128827/)

### Where does this toner go in a skincare routine for oily acne-prone skin?

This hydrating toner fits in your morning and weekly routines right after cleansing and before your moisturizer, and in the evening after your cleansing toner. It helps balance oil and calm blemishes without feeling heavy, thanks to ingredients like niacinamide and glycerin.
Sources: [International Journal of Cosmetic Science, 2020](https://pubmed.ncbi.nlm.nih.gov/31461548/), [Molecules, 2023](https://pubmed.ncbi.nlm.nih.gov/37446936/)

### Can I use this toner with retinol, and in what order?

You can use this toner with retinol by applying the toner first to hydrate your skin, followed by your retinol treatment. This combination is unlikely to cause irritation and helps keep your skin balanced.
Sources: [Cutis, 2006](https://pubmed.ncbi.nlm.nih.gov/17121065/)

### How often should I use this toner?

You can use this toner daily in the morning as part of your routine. It is a great fit for your oily acne-prone skin because ingredients like niacinamide help control oil and blemishes while glycerin and panthenol keep your skin moisturized without feeling greasy.
Sources: [International Journal of Cosmetic Science, 2020](https://pubmed.ncbi.nlm.nih.gov/31461548/), [Molecules, 2023](https://pubmed.ncbi.nlm.nih.gov/37446936/)

### Can this toner clog pores, cause breakouts or purging for oily acne-prone skin?

This toner is unlikely to clog pores or cause breakouts on oily acne-prone skin, as Niacinamide and Vitamin C help control excess oil while Glycerin and Panthenol keep your skin hydrated without feeling greasy. It also has a low risk of irritation and features soothing ingredients to help calm your skin.
Sources: [Molecules, 2023](https://pubmed.ncbi.nlm.nih.gov/37446936/)

### Is this toner fragrance-free and alcohol-free?

Yes, it has no fragrance and no drying alcohol.

## Alternatives for oily acne-prone skin

- [SNP Prep Peptaronic Toner](https://lovi.care/skincare/p/snp-prep/peptaronic-toner/for/oily-acne-prone-skin) — Superior fit — $14.99 at Amazon
- [Beauty of Joseon Ginseng Essence Water](https://lovi.care/skincare/p/beauty-of-joseon/ginseng-essence-water/for/oily-acne-prone-skin) — Superior fit — $17.79 at Amazon
- [numbuzin No.3 Super Glowing Essence Toner](https://lovi.care/skincare/p/numbuzin/no-3-super-glowing-essence-toner/for/oily-acne-prone-skin) — High fit — $19.99 at Amazon

## Pairs well with

- Cleanser: [CeraVe Foaming Facial Cleanser](https://lovi.care/skincare/p/cerave/foaming-facial-cleanser/for/oily-acne-prone-skin) — Superior fit — $15.97 at Amazon
- Moisturizer: [COSRX Oil-Free Ultra-Moisturizing Lotion with Birch Sap](https://lovi.care/skincare/p/cosrx/oil-free-ultra-moisturizing-lotion-with-birch-sap/for/oily-acne-prone-skin) — Superior fit — $18.99 at Amazon
- SPF: [make p:rem UV Defense Me Blue Ray Sun Cream](https://lovi.care/skincare/p/make-p-rem/uv-defense-me-blue-ray-sun-cream/for/oily-acne-prone-skin) — Superior fit — $25.99 at Amazon

## Where to buy

- Amazon.com: $15.50 (https://www.amazon.com/dp/B0CT54F1FP?tag=lovi-care-web-product-20&linkCode=osi&th=1&psc=1)
Prices checked 6 Nov 2026.

## Ingredients

Water, Dipropylene Glycol, Glycerin, Niacinamide, 1,2-Hexanediol, Butylene Glycol, Polyglycerin-3, Hippophae Rhamnoides Water, Acrylates C10-30 Alkyl Acrylate Crosspolymer, Tromethamine, Erythritol, Pentylene Glycol, 3-O-Ethyl Ascorbic Acid, Ethylhexylglycerin, Polyglyceryl-4 Caprate, Adenosine, Glutathione, Hydrogenated Lecithin, Disodium Edta, Madecassoside, Coptis Japonica Root Extract, Decyl Glucoside, Caprylyl Glycol, Ceramide Np, Ascorbic Acid, Bisabolol, Panthenol, Tocopherol, Arbutin, Acetyl Hexapeptide-8, Hexapeptide-9, Nonapeptide-1, Palmitoyl Pentapeptide-4, Palmitoyl Tripeptide-1, Palmitoyl Tetrapeptide-7
## About the Lovi Fit

Lovi: Unbiased, science-based skincare AI trained on real user outcomes.

Lovi calculates every fit score from the full ingredient list with brand-independent rules its dermatologists and cosmetic chemists build and review, and personalizes every pick with AI trained on the real results of millions of users. Lovi trains its fit score models on a proprietary dataset built from more than 10,000 expert-labeled products and more than 100,000 simulated examples, following an internally consistent methodology presented at Cosmoprof, AMWC, and Skin of Color Update. Levels from best to worst: Superior, High, Average, Low, Caution, Warning.

Behind this fit score: Nadia Kapleva, MS (Co-founder, Medical Director); Alexey Shagraev, PhD (Co-founder, CEO and CTO); Dr. Sofía Perea Pérez, MD, MSc (Medical Board); Aishani Shah, MD (Medical Board); Asya Zubkova, MS (Medical Board); Hanna Kurets, MD (Medical Board, Medical Advisor); Elina Nazarenko, MD (Medical Board); Victoria Derkova, MS (Medical Board).

Page built Nov 8, 2026.

More from Lovi: https://lovi.care/skincare/llms.txt

## This page in other countries

- United States: https://lovi.care/skincare/p/numbuzin/no-5-vitamin-boosting-essential-toner/for/oily-acne-prone-skin (this page)
- United Kingdom: https://lovi.care/skincare/uk/p/numbuzin/no-5-vitamin-boosting-essential-toner/for/oily-acne-prone-skin
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- United Arab Emirates: https://lovi.care/skincare/ae/p/numbuzin/no-5-vitamin-boosting-essential-toner/for/oily-acne-prone-skin