# By Wishtrend Mandelic Acid 5% Skin Prep Water for oily acne-prone skin

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

Page: https://lovi.care/skincare/sg/p/by-wishtrend/mandelic-acid-5-skin-prep-water/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 Singapore.

Brand: [By Wishtrend](https://lovi.care/skincare/sg/brands/by-wishtrend)
Category: [Toners](https://lovi.care/skincare/sg/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.

A great choice for oily acne-prone skin; a few toners fit it even better.

## Why this fit

- This product offers excellent exfoliation for your oily skin, as mandelic acid effectively targets acne, blemishes, and breakouts by clearing pores and smoothing texture. Beta-glucan and panthenol further support hydration and skin barrier function, complementing the keratolytic action.
- The inclusion of Centella Asiatica Extract and Glycyrrhiza Glabra Root Extract provides additional soothing benefits, which is advantageous for managing oiliness without causing irritation.
- The formulation is safe for your skin, with no risks of irritation due to the absence of harsh ingredients and the presence of calming components.

## Fit by skin type

- [Oily skin](https://lovi.care/skincare/sg/p/by-wishtrend/mandelic-acid-5-skin-prep-water/for/oily-skin): High
- [Dry skin](https://lovi.care/skincare/sg/p/by-wishtrend/mandelic-acid-5-skin-prep-water/for/dry-skin): Low
- [Combination skin](https://lovi.care/skincare/sg/p/by-wishtrend/mandelic-acid-5-skin-prep-water/for/combination-skin): High
- [Sensitive skin](https://lovi.care/skincare/sg/p/by-wishtrend/mandelic-acid-5-skin-prep-water/for/sensitive-skin): High
- [Acne-prone skin](https://lovi.care/skincare/sg/p/by-wishtrend/mandelic-acid-5-skin-prep-water/for/acne-prone-skin): High
- [Skin with dark spots](https://lovi.care/skincare/sg/p/by-wishtrend/mandelic-acid-5-skin-prep-water/for/dark-spots): High
- [Mature skin](https://lovi.care/skincare/sg/p/by-wishtrend/mandelic-acid-5-skin-prep-water/for/mature-skin): High
- [Dry sensitive skin](https://lovi.care/skincare/sg/p/by-wishtrend/mandelic-acid-5-skin-prep-water/for/dry-sensitive-skin): Low
- [Oily acne-prone skin](https://lovi.care/skincare/sg/p/by-wishtrend/mandelic-acid-5-skin-prep-water/for/oily-acne-prone-skin): High (this page)

## Key ingredients

Mandelic Acid, Beta-Glucan, Panthenol, Glycyrrhiza Glabra Root Extract Licorice Root Extract, Sodium Hyaluronate

## What the research says

- 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/))
- Treatment with 45% mandelic acid peel showed nearly equal overall efficacy as 30% salicylic acid peel in patients with mild-to-moderate facial acne vulgaris, but with fewer adverse effects. ([Journal of Cosmetic Dermatology, 2020](https://pubmed.ncbi.nlm.nih.gov/31553119/))
- 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/))
- Cosmetic formulations containing 5% Centella asiatica extract showed the best efficacy in improving skin moisture and decreasing transepidermal water loss, while also exhibiting antiinflammatory properties in 25 volunteers compared to baseline measurements. ([Indian Journal of Pharmaceutical Sciences, 2016](https://pubmed.ncbi.nlm.nih.gov/27168678/))
- A panthenol-enriched mask significantly decreased erythema and hyperpigmentation, increased sebum and stratum corneum moisture, and reduced transepidermal water loss compared to a saline dressing in 60 subjects undergoing facial laser treatment. ([Journal of Cosmetic Dermatology, 2025](https://pubmed.ncbi.nlm.nih.gov/40613435/))
- Chemical peels using 35% glycolic acid, 20% salicylic-10% mandelic acid, and phytic acid reduce acne scores by 70.55%, 74.14%, and 69.7% respectively, and significantly decline the postacne hyperpigmentation index in Asian patients with mild to moderate acne. ([Journal of Cutaneous and Aesthetic Surgery, 2019](https://pubmed.ncbi.nlm.nih.gov/31619887/))
- Commonly used chemical peels showed no significant differences in effectiveness for acne vulgaris in most comparisons, though combined salicylic and mandelic acid peeling was superior to glycolic acid and glycolic acid was superior to placebo, based on twelve randomized controlled trials. ([BMJ Open, 2018](https://pubmed.ncbi.nlm.nih.gov/29705755/))
- Treatment with 30% lactic acid peel showed a significantly greater reduction in pigmentation and higher patient satisfaction compared to 30% mandelic acid peel in patients with periorbital melanosis. ([Indian Dermatology Online Journal, 2025](https://pubmed.ncbi.nlm.nih.gov/41051381/))
- Skin care regimens containing beta-glucan improved hemoglobin index, skin hydration, and transepidermal water loss compared to vehicle control in 20 patients undergoing fractional laser therapy. ([Journal of Cosmetic Dermatology, 2021](https://pubmed.ncbi.nlm.nih.gov/33128496/))
- Treatment with topical formulations containing beta-glucan combined with nanofractional radiofrequency plus magnetic nanofractional radiofrequency showed the best efficacy and was tolerable and effective in Chinese women with abdominal stretch marks compared to control groups. ([Dermatology and Therapy, 2023](https://pubmed.ncbi.nlm.nih.gov/37171578/))
- Topical beta-glucan mildly improved striae gravidarum, 1565-nm non-ablative fractional laser showed better results than topical beta-glucan, and the combined strategy further improved striae gravidarum atrophy compared to single treatment. ([The Journal of Dermatology, 2022](https://pubmed.ncbi.nlm.nih.gov/35570397/))
- 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 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/))
- Combining 755 nm alexandrite laser with topical licorice gel significantly reduces terminal hair counts compared to alexandrite laser with placebo in women with idiopathic hirsutism. ([Evidence-based Complementary and Alternative Medicine, 2015](https://pubmed.ncbi.nlm.nih.gov/26273313/))
- Licochalcone A activated Nrf2 signaling, elevated cytoprotective enzymes, increased the reduced-to-oxidized glutathione ratio, and decreased reactive oxygen species in human fibroblasts and neutrophils, while a LicA-rich licorice extract lowered UVA-induced oxidative processes in vivo. ([Experimental Dermatology, 2015](https://pubmed.ncbi.nlm.nih.gov/25381913/))
- Bioactive glycyrrhizic acid and oxymatrine ionic liquid self-assembled nanomicelles significantly promoted the transdermal permeation, subcutaneous retention, and anti-photoaging efficacy of palmitoyl pentapeptide-4 in cellular and animal models compared to unformulated peptide. ([Advanced Science, 2025](https://pubmed.ncbi.nlm.nih.gov/39783908/))
- Topical application of 0.1% hyaluronic acid formulations of different molecular weights led to significant improvements in skin hydration and elasticity, with low-molecular-weight formulations also significantly reducing wrinkle depth in seventy-six female subjects compared to a vehicle control. ([Journal of Drugs in Dermatology, 2011](https://pubmed.ncbi.nlm.nih.gov/22052267/))
- Topical application of hyaluronic acid in conjunction with free gingival graft significantly reduced donor site postoperative pain until day 7 compared to normal saline, with no significant differences in graft dimensions or patient satisfaction. ([Clinical Oral Investigations, 2022](https://pubmed.ncbi.nlm.nih.gov/34623507/))
- Treatment with a hyaluronic acid-containing mouth rinse or topical gel led to significant lesion reduction, pain relief, and normalization of lesion color in adult patients with minor recurrent aphthous stomatitis, with the gel formulation showing an earlier healing onset at 3 days. ([BMC Oral Health, 2019](https://pubmed.ncbi.nlm.nih.gov/31311529/))

## What reviewers say

Based on a very large amount of data, this gentle exfoliating toner is widely praised by users with sensitive and acne-prone skin for its ability to smooth texture and brighten complexion without harsh irritation. It is effective at reducing closed comedones and hyperpigmentation over time, though it requires consistent use and may cause temporary stinging on active breakouts.

- Liked: Gentle exfoliation (mostly mentioned)
- Liked: Hydrating and lightweight (often mentioned)
- Liked: Improves skin texture (often mentioned)
- Liked: Brightens and evens tone (sometimes noted)
- Liked: Clears pores/acne (sometimes noted)
- Disliked: Stinging sensation (sometimes noted)
- Disliked: Purging/Breakouts (rarely noted)
- Disliked: Slow results (rarely noted)
- Disliked: Sticky residue (rarely noted)
- Disliked: Unpleasant scent (rarely noted)

## How to apply

- Could be used as part of your PM routine. Start using your exfoliating toner once a week and slowly increase frequency if your skin tolerates it well.
- Apply your exfoliating toner after cleansing and before your moisturizer or other treatments.
- Gently press 2-3 drops of the exfoliating toner into your skin with your hands. Avoid any harsh rubbing .
- Apply the exfoliating toner on clean and completely dry skin to ensure the best results .
- Avoid the sensitive eye area and always use daily SPF while using exfoliating active products.
- Video: https://storage.pora.ai/020cca37b222f917c1e8d86638215d98.mp4

## Questions and answers

### What makes By Wishtrend Mandelic Acid 5% Skin Prep Water a great fit for oily acne-prone skin?

By Wishtrend Mandelic Acid 5% Skin Prep Water is a great fit because mandelic acid clears pores and smooths texture to tackle acne, while beta-glucan and panthenol keep skin hydrated. Centella asiatica and licorice root help calm the skin, making it a safe choice that manages oiliness without causing irritation.
Sources: [The Journal of Dermatological Treatment, 2017](https://pubmed.ncbi.nlm.nih.gov/27425824/), [Journal of Cosmetic Dermatology, 2020](https://pubmed.ncbi.nlm.nih.gov/31553119/)

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

Mandelic acid is a great fit because it clears pores and smooths texture to help manage acne, while beta-glucan, panthenol, and centella asiatica extract provide hydration and soothing benefits without causing irritation.
Sources: [Journal of Cosmetic Dermatology, 2020](https://pubmed.ncbi.nlm.nih.gov/31553119/), [The Journal of Dermatological Treatment, 2017](https://pubmed.ncbi.nlm.nih.gov/27425824/)

### What does Mandelic Acid do for oily acne-prone skin?

Mandelic acid helps clear breakouts and manage oil on acne-prone skin with a lower chance of irritation than many other acids. It gently removes dead skin cells to keep pores clean and smooth.
Sources: [Journal of Cosmetic Dermatology, 2020](https://pubmed.ncbi.nlm.nih.gov/31553119/), [Journal of Cosmetic Dermatology, 2026](https://pubmed.ncbi.nlm.nih.gov/41715896/)

### What does Beta-Glucan do for oily acne-prone skin?

Beta-glucan helps calm and hydrate oily acne-prone skin while supporting skin recovery after treatments. This ingredient keeps skin feeling soft and smooth without clogging pores, though an oily acne-prone routine also needs gentle cleansing and balancing ingredients to stay clear.
Sources: [Dermatology and Therapy, 2023](https://pubmed.ncbi.nlm.nih.gov/37171578/), [Journal of Cosmetic Dermatology, 2021](https://pubmed.ncbi.nlm.nih.gov/33128496/)

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

This exfoliating toner goes in your evening routine after cleansing, as Lovi routines start exfoliating steps once a week before carefully increasing frequency if tolerated well. Its mandelic acid clears pores and smooths texture while soothing ingredients help manage oiliness without causing irritation.

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

You can use this toner with retinol by applying the toner first and waiting for it to dry completely before layering your retinol. Because both ingredients help smooth texture and clear pores, using them together may increase dryness or sensitivity, so start slowly a few nights a week to see how your skin reacts.

### How often should I use this toner?

Start by using this exfoliating toner once a week, and if your oily skin handles it well and shows good results, you can carefully use it more often. The mandelic acid clears pores and smooths texture while soothing ingredients help manage oiliness without irritation.

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

By Wishtrend Mandelic Acid 5% Skin Prep Water is a great fit for oily acne-prone skin because mandelic acid clears pores and smooths texture to help manage breakouts. Soothing ingredients like panthenol and centella asiatica extract help calm the skin and keep irritation unlikely.
Sources: [The Journal of Dermatological Treatment, 2017](https://pubmed.ncbi.nlm.nih.gov/27425824/), [Journal of Cosmetic Dermatology, 2020](https://pubmed.ncbi.nlm.nih.gov/31553119/)

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

Yes, it has no fragrance and no drying alcohol.

## Alternatives for oily acne-prone skin

- [Isntree Chestnut BHA 0.9% Clear Toner](https://lovi.care/skincare/sg/p/isntree/chestnut-bha-0-9-clear-toner/for/oily-acne-prone-skin) — Superior fit — S$30.60 at Amazon
- [Medicube Zero Pore Pad](https://lovi.care/skincare/sg/p/medicube/zero-pore-pad/for/oily-acne-prone-skin) — Superior fit — S$36.48 at Amazon
- [SK-II Facial Treatment Clear Lotion](https://lovi.care/skincare/sg/p/sk-ii/facial-treatment-clear-lotion/for/oily-acne-prone-skin) — Average fit — S$96.82 at Amazon

## Pairs well with

- Cleanser: [CeraVe Foaming Facial Cleanser](https://lovi.care/skincare/sg/p/cerave/foaming-facial-cleanser/for/oily-acne-prone-skin) — Superior fit — S$30.40 at Amazon
- SPF: [make p:rem UV Defense Me Blue Ray Sun Cream](https://lovi.care/skincare/sg/p/make-p-rem/uv-defense-me-blue-ray-sun-cream/for/oily-acne-prone-skin) — Superior fit — S$41.48 at Amazon
- Pre-Cleanser: [MISSHA Ultra Hyalon Cleansing Cream](https://lovi.care/skincare/sg/p/missha/ultra-hyalon-cleansing-cream/for/oily-acne-prone-skin) — Superior fit — S$39.68 at Amazon

## Where to buy

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

## Ingredients

Water, Mandelic Acid, Butylene Glycol, Beta-Glucan, Panthenol, Glycyrrhiza Glabra Root Extract Licorice Root Extract, Prunus Amygdalus Dulcis Fruit Extract, Sodium Hyaluronate, Sorbitan Sesquioleate, Centella Asiatica Extract, Houttuynia Cordata Extract, Sorbitol, Dimethyl Sulfone, Chlorphenesin, Sodium Citrate, Arginine, Peg-60 Hydrogenated Castor Oil, Ethylhexylglycerin, Natto Gum, Carbomer
## 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

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