# IT Cosmetics Bye Bye Dark Spots Serum for mature skin

**Lovi Fit: Average fit for mature skin.**
Normal Skin Fit: High · Effectiveness: Average · Safety: High.

Page: https://lovi.care/skincare/ca/p/it-cosmetics/bye-bye-dark-spots-serum/for/mature-skin

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

Brand: [IT Cosmetics](https://lovi.care/skincare/ca/brands/it-cosmetics)
Category: [Serums and treatments](https://lovi.care/skincare/ca/best/serums)

This fit is calculated for the concerns frequently associated with mature skin: fine lines, wrinkles, and loss of firmness. For scores based on a full skin profile (12D face scan, goals, preferences), use the Lovi app.

Works for mature skin; other serums fit it better.

## Why this fit

- Offers moderate brightening for your normal skin due to the presence of 3-o-ethyl ascorbic acid and niacinamide, which help to even skin tone and provide antioxidant activity.
- While it offers general skincare benefits like hydration and soothing, it lacks specialized ingredients to effectively target your wrinkles and fine lines.
- The product is safe for your normal skin, with no risks of irritation from harsh ingredients.

## Fit by skin type

- [Oily skin](https://lovi.care/skincare/ca/p/it-cosmetics/bye-bye-dark-spots-serum/for/oily-skin): High
- [Dry skin](https://lovi.care/skincare/ca/p/it-cosmetics/bye-bye-dark-spots-serum/for/dry-skin): Average
- [Combination skin](https://lovi.care/skincare/ca/p/it-cosmetics/bye-bye-dark-spots-serum/for/combination-skin): High
- [Sensitive skin](https://lovi.care/skincare/ca/p/it-cosmetics/bye-bye-dark-spots-serum/for/sensitive-skin): Average
- [Acne-prone skin](https://lovi.care/skincare/ca/p/it-cosmetics/bye-bye-dark-spots-serum/for/acne-prone-skin): High
- [Skin with dark spots](https://lovi.care/skincare/ca/p/it-cosmetics/bye-bye-dark-spots-serum/for/dark-spots): Average
- [Mature skin](https://lovi.care/skincare/ca/p/it-cosmetics/bye-bye-dark-spots-serum/for/mature-skin): Average (this page)
- [Dry sensitive skin](https://lovi.care/skincare/ca/p/it-cosmetics/bye-bye-dark-spots-serum/for/dry-sensitive-skin): Average
- [Oily acne-prone skin](https://lovi.care/skincare/ca/p/it-cosmetics/bye-bye-dark-spots-serum/for/oily-acne-prone-skin): High

## Key ingredients

Niacinamide, 3-O-Ethyl Ascorbic Acid, Salicylic Acid, Glycerin, Caffeine

## What the research says

- Niacinamide significantly decreased hyperpigmentation and increased skin lightness compared with vehicle alone after 4 weeks of use in women by inhibiting melanosome transfer. ([The British Journal of Dermatology, 2002](https://pubmed.ncbi.nlm.nih.gov/12100180/))
- A multi-component dissolving microneedle patch loaded with glabridin, 3-O-ethyl-L-ascorbic acid, and tranexamic acid effectively reduced chloasma and age spots while demonstrating safety in clinical evaluation, alongside significant antioxidant, anti-tyrosinase, and melanin-reduction effects in vitro and in vivo. ([Polymers, 2023](https://pubmed.ncbi.nlm.nih.gov/37571190/))
- 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/))
- Treatment with a combination of niacinamide and hyaluronic acid improved skin aging signs and demonstrated a senomorphic effect by decreasing SASP and autocrine signaling genes in women. ([Scientific Reports, 2024](https://pubmed.ncbi.nlm.nih.gov/39009698/))
- 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/))
- Cryotherapy with liquid nitrogen achieved a higher cure rate (39%) than salicylic acid (24%) and a wait-and-see approach (16%) for cutaneous warts at 13 weeks in primary care patients. ([CMAJ, 2010](https://pubmed.ncbi.nlm.nih.gov/20837684/))
- A moisturizer containing licochalcone A, 1,2-decanediol, L-carnitine, and salicylic acid significantly reduced noninflammatory, inflammatory, and total acne lesion counts compared to a vehicle control in Thai patients during a 12-week maintenance phase. ([BioMed Research International, 2020](https://pubmed.ncbi.nlm.nih.gov/33150170/))
- Treatment with 2% supramolecular salicylic acid hydrogel resulted in a regression and markedly improvement rate of 51.01% compared to 43.10% for Adapaline gel in patients with mild to moderate facial acne vulgaris, showing no significant difference in efficacy. ([Journal of Cosmetic Dermatology, 2024](https://pubmed.ncbi.nlm.nih.gov/38590107/))
- The emollient V0034CR significantly reduced TEWL compared to vehicle and vehicle plus glycerol, and significantly increased corneometry scores compared to vehicle and vehicle plus petrolatum in healthy volunteers with dry skin, demonstrating combined barrier function improvement from petrolatum and hydration improvement from glycerol. ([Journal of Cosmetic Dermatology, 2020](https://pubmed.ncbi.nlm.nih.gov/31532576/))
- Ten days of treatment with a cream containing 20% glycerin significantly increased skin hydration measured by corneometer values in 17 healthy volunteers compared to a placebo cream, but showed no influence on transepidermal water loss or skin sensitivity to an irritating surfactant. ([International Journal of Cosmetic Science, 2001](https://pubmed.ncbi.nlm.nih.gov/18498456/))
- Niacinamide/glycerin body moisturizers provided better rapid and prolonged improvement of cosmetic xerosis through functional improvement of stratum corneum barrier function compared to no treatment and conventional moisturizers in female subjects. ([Journal of Drugs in Dermatology, 2012](https://pubmed.ncbi.nlm.nih.gov/22206073/))
- A topical cosmetic slimming product containing tetrahydroxypropyl ethylenediamine, caffeine, carnitine, forskolin and retinol significantly reduced body circumferences and improved skin aspect compared with placebo in 78 women over 12 weeks. ([International Journal of Cosmetic Science, 2011](https://pubmed.ncbi.nlm.nih.gov/21564138/))
- Topical sunscreen formulations containing caffeine combined with UV filters increased in vivo anti-UVB protection by approximately 25% and showed higher SPF values compared to caffeine-free sunscreen, while being well tolerated by the skin of healthy subjects. ([Frontiers in Physiology, 2019](https://pubmed.ncbi.nlm.nih.gov/31130869/))
- Caffeine gel combined with choline geranate showed high skin permeation capacity and superior clinical results in cellulite treatment compared to caffeine gel without ionic liquid. ([AAPS PharmSciTech, 2021](https://pubmed.ncbi.nlm.nih.gov/33796955/))

## Why other serums fit mature skin better

- Caviar oil enhanced adipocyte differentiation in vitro, reduced MMP expression while increasing collagen and elastin formation ex vivo, and improved skin moisture, elasticity, and density in 102 participants over four weeks of Cavi Balm usage compared to baseline. ([In Vivo, 2023](https://pubmed.ncbi.nlm.nih.gov/37652485/))
- Chronomodulated daytime application of baicalin and nighttime application of palmitoyl tripeptide-1 synergistically improved skin luminance by 16.29%, nasolabial fold depth by -36.35%, and firmness by 24.35% in 30 female participants. ([Journal of Cosmetic Dermatology, 2026](https://pubmed.ncbi.nlm.nih.gov/41527525/))

## How to apply

- Use this serum in your PM routine. Start by applying it 3 times a week, and work up to daily use if your skin likes it.
- Apply this serum after your toner and before your moisturizer.
- Gently press 2-3 drops of the serum into your skin and let it absorb for a minute.
- You can apply the serum on dry skin for the best results against fine lines.
- Always do a patch test before your first use and avoid the sensitive eye area.
- Video: https://storage.pora.ai/c879dda8655a61c19d3d8c9ebad6b06d.mp4

## Questions and answers

### How well does Bye Bye Dark Spots Serum work for mature skin?

This serum works moderately well for mature skin by helping to even skin tone and provide hydration, but other products fit it better. A treatment for mature skin needs ingredients that effectively target wrinkles and fine lines, such as peptides and strong anti-aging agents, while keeping the skin soft and smooth.
Sources: [The British Journal of Dermatology, 2002](https://pubmed.ncbi.nlm.nih.gov/12100180/), [Clinical, Cosmetic and Investigational Dermatology, 2017](https://pubmed.ncbi.nlm.nih.gov/28860834/)

### Which ingredients make this serum a good fit for mature skin?

This serum fits mature skin reasonably well through niacinamide and 3-O-ethyl ascorbic acid, which help brighten skin tone and provide antioxidant support. However, a treatment of this type for mature skin also needs specialized ingredients that effectively target wrinkles and fine lines, such as potent anti-aging compounds, peptides, and high-quality humectants to improve skin elasticity and moisture.
Sources: [The British Journal of Dermatology, 2002](https://pubmed.ncbi.nlm.nih.gov/12100180/), [Polymers, 2023](https://pubmed.ncbi.nlm.nih.gov/37571190/)

### What does Niacinamide do for mature skin?

Niacinamide helps mature skin by smoothing out fine lines and wrinkles, reducing dark spots, and improving overall skin elasticity. It is also very well tolerated and supports a strong skin barrier to keep skin looking healthy.
Sources: [Antioxidants, 2021](https://pubmed.ncbi.nlm.nih.gov/34439563/), [Journal of Cosmetic Dermatology, 2004](https://pubmed.ncbi.nlm.nih.gov/17147561/)

### What does 3-O-Ethyl Ascorbic Acid do for mature skin?

3-O-Ethyl Ascorbic Acid helps fade dark spots, reduces signs of aging, and supports collagen production to keep mature skin looking smooth and firm. It also provides antioxidant protection to shield the skin from daily environmental stress and sun damage.
Sources: [International Journal of Biological Macromolecules, 2026](https://pubmed.ncbi.nlm.nih.gov/41628877/), [Polymers, 2023](https://pubmed.ncbi.nlm.nih.gov/37571190/)

### Where does this serum go in a skincare routine for mature skin?

This treatment goes in the evening routine after cleansing and before moisturizing. Putting active serums in the evening keeps things simple and helps avoid extra sun sensitivity.

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

You can use this serum with retinol by applying the serum first and following with your retinol at night, as the product is generally safe with a low risk of irritation. To best care for mature skin, a product of this type needs specialized ingredients that target wrinkles and fine lines.

### How often should I use this serum?

You can use this serum in the evening as part of your routine. A mature skin routine needs ingredients like retinoids, peptides, and specialized anti-aging hydrators to effectively target wrinkles and fine lines.

### Can this serum clog pores, cause breakouts or purging for mature skin?

This serum is unlikely to clog pores, cause breakouts, or lead to purging on mature skin because it has a safe formula without harsh ingredients that irritate the skin. It helps hydrate and brighten your skin tone safely, though a product for mature skin also needs specialized firming ingredients to effectively target wrinkles and fine lines.
Sources: [The British Journal of Dermatology, 2002](https://pubmed.ncbi.nlm.nih.gov/12100180/), [Clinical, Cosmetic and Investigational Dermatology, 2017](https://pubmed.ncbi.nlm.nih.gov/28860834/)

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

It has no drying alcohol and contains fragrance (limonene, geraniol, and citronellol).

## Alternatives for mature skin

- [Dr.Althea Vitamin C Boosting Serum](https://lovi.care/skincare/ca/p/dr-althea/vitamin-c-boosting-serum/for/mature-skin) — High fit — CA$27.99 at Amazon
- [The Ordinary Matrixyl 10% + HA](https://lovi.care/skincare/ca/p/the-ordinary/matrixyl-10-ha/for/mature-skin) — High fit — CA$14.40 at Amazon
- [Skin1004 Probio-Cica Intensive Ampoule](https://lovi.care/skincare/ca/p/skin1004/probio-cica-intensive-ampoule/for/mature-skin) — High fit — CA$24.44 at Amazon

## Pairs well with

- Cleanser: [Fresh Soy Face Cleanser](https://lovi.care/skincare/ca/p/fresh/soy-face-cleanser/for/mature-skin) — Superior fit — CA$44.95 at Amazon
- Hydrating Toner: [COSRX Propolis Synergy Toner](https://lovi.care/skincare/ca/p/cosrx/full-fit-propolis-synergy-toner/for/mature-skin) — Superior fit — CA$31.98 at Amazon
- Moisturizer: [Obagi Hydrate Luxe Moisture-Rich Cream](https://lovi.care/skincare/ca/p/obagi/hydrate-luxe/for/mature-skin) — Superior fit — CA$103.73 at Amazon

## Where to buy

No store in Canada has a checked price for this product, so the page shows none.

## Ingredients

Water, Propylene Glycol, Glycerin, Niacinamide, Peg Ppg Polybutylene Glycol-8 5 3 Glycerin, Hydroxypropyl Tetrahydropyrantriol, Caffeine, 3-O-Ethyl Ascorbic Acid, Citric Acid, Phenoxyethanol, Ppg-6-Decyltetradeceth-30, Salicylic Acid, Xanthan Gum, Sodium Citrate, Hydroxyethylcellulose, Potassium Hydroxide, Disodium Edta, Limonene, Geraniol, Citronellol, Tocopherol
## 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/it-cosmetics/bye-bye-dark-spots-serum/for/mature-skin
- United Kingdom: https://lovi.care/skincare/uk/p/it-cosmetics/bye-bye-dark-spots-serum/for/mature-skin
- Ireland: https://lovi.care/skincare/ie/p/it-cosmetics/bye-bye-dark-spots-serum/for/mature-skin
- Germany: https://lovi.care/skincare/de/p/it-cosmetics/bye-bye-dark-spots-serum/for/mature-skin
- France: https://lovi.care/skincare/fr/p/it-cosmetics/bye-bye-dark-spots-serum/for/mature-skin
- Italy: https://lovi.care/skincare/it/p/it-cosmetics/bye-bye-dark-spots-serum/for/mature-skin
- Netherlands: https://lovi.care/skincare/nl/p/it-cosmetics/bye-bye-dark-spots-serum/for/mature-skin
- Spain: https://lovi.care/skincare/es/p/it-cosmetics/bye-bye-dark-spots-serum/for/mature-skin
- Canada: https://lovi.care/skincare/ca/p/it-cosmetics/bye-bye-dark-spots-serum/for/mature-skin (this page)
- Australia: https://lovi.care/skincare/au/p/it-cosmetics/bye-bye-dark-spots-serum/for/mature-skin
- Singapore: https://lovi.care/skincare/sg/p/it-cosmetics/bye-bye-dark-spots-serum/for/mature-skin
- Saudi Arabia: https://lovi.care/skincare/sa/p/it-cosmetics/bye-bye-dark-spots-serum/for/mature-skin
- United Arab Emirates: https://lovi.care/skincare/ae/p/it-cosmetics/bye-bye-dark-spots-serum/for/mature-skin