Haruharu Wonder Black Rice Hyaluronic Toner for acne-prone skin

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Questions and answers

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

• 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

• Microneedling combined with topical exosome therapy improved PIH severity scores from grade 2 to grade 1 and enhanced skin tone in two acne patients without causing adverse effects.

  Plastic and Reconstructive Surgery. Global Open, 2025

• Black rice extract treatment downregulated MMP-1 and MMP-3 expression, increased type I procollagen expression, and reduced reactive oxygen species production in ultraviolet-irradiated HaCaT and human dermal fibroblast skin cells.

  International Journal of Molecular Medicine, 2018

• Black rice hydrolyzed peptides induce a dose-dependent increase in hyaluronan synthase 2 gene expression and effectively increase hyaluronan production in HaCaT keratinocytes.

  Journal of Microbiology and Biotechnology, 2007

• 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

• 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

• 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

• 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

• 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

• Topical application of oat beta-glucan ameliorates epidermal hyperplasia and accelerates epidermal barrier recovery by promoting keratinocyte differentiation through dectin-1-mediated ERK and p38 signaling pathways that upregulate CaSR expression.

  International Journal of Biological Macromolecules, 2021

• Enzyme-modified ginseng extract cream significantly reduced the global photo-damage score and various roughness measures including total roughness, smoothness depth, and arithmetic roughness average compared to placebo in 23 human subjects.

  Rejuvenation Research, 2015

• A red ginseng hydrogel formulation with 1,2-hexanediol promoted selective growth of Staphylococcus epidermidis and decreased Cutibacterium acnes in 20 female subjects.

  Journal of Ginseng Research, 2022

• A 1% fermented black ginseng cream significantly reduced eye wrinkles and brightened skin color in twenty-three human subjects compared to control cream and baseline.

  Journal of Toxicology and Environmental Health. Part A, 2020

• Motor baicalin encapsulated in bio-vesicles enhanced water solubility, stability, transdermal penetration, antioxidant activity, and clinical skin antiaging efficacy compared to liposome baicalin and baicalin raw material.

  Journal of Cosmetic Dermatology, 2025

• A nighttime topical antioxidant containing resveratrol, baicalin, and vitamin E significantly improved fine lines, wrinkles, firmness, elasticity, laxity, hyperpigmentation, radiance, roughness, and dermal thickness in subjects with mild to moderately photodamaged skin over 12 weeks.

  Journal of Drugs in Dermatology, 2014

• Glycyrrhizin micellar nanocarriers significantly improved topical penetration and follicular accumulation of baicalin in porcine skin, enhanced human dermal papilla cell proliferation, and promoted hair recovery through Wnt/β-catenin pathway activation and upregulation of VEGF, α-MSH, and IL-10.

  International Journal of Pharmaceutics, 2022

Ingredients

Water, Betaine, Glycerin, Propanediol, Aspergillus Ferment, Panax Ginseng Root Extract, Cyclodextrin, Scutellaria Baicalensis Root Extract, Sodium Hyaluronate, Beta-Glucan, Cellulose Gum, Xanthan Gum, Butylene Glycol, Usnea Barbata Extract, Zanthoxylum Piperitum Fruit Extract, Pulsatilla Koreana Extract, Sodium Phytate, Tamarindus Indica Seed Gum, Polyglyceryl-10 Laurate, Polyglyceryl-10 Myristate, Glucose, 1,2-Hexanediol, Alcohol, Lavandula Angustifolia Oil Lavender Oil, Linalool

Behind this fit score

Lovi calculates every fit score from the full ingredient list with brand-independent rules our 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.