Hada Labo Shirojyun Premium
Quasi-drug Penetrating Whitening Lotion Moist Type
Approaches melanocytes, the source of spots, deeply from the stratum corneum. A serum-like moist texture whitening lotion that leads to hydrated, clear skin.
“Hada Labo Shirojyun Premium Quasi-drug Penetrating Whitening Lotion Moist Type” is a serum-like moist type quasi-drug whitening lotion focused on hydration and brightness. The double active ingredients, whitening White Tranexamic Acid★ and anti-inflammatory Dipotassium Glycyrrhizate, penetrate deeply into the stratum corneum damaged by UV rays and approach melanocytes, the source of spots. It leads to hydrated, clear, and bright skin. It is weakly acidic, the same as healthy bare skin. The formula is thoroughly designed to be gentle on the skin.
| Type | Content volume | JAN code | Price |
|---|---|---|---|
| Bottle | 170mL | 4987241168491 | Open price |
| Refill | 170mL | 4987241168477 | Open price |
Double active ingredients for whitening and anti-inflammation
Whitening active ingredient White Tranexamic Acid★ prevents spots and freckles by targeting melanocytes, and anti-inflammatory active ingredient Dipotassium Glycyrrhizate addresses inflammation and dullness caused by UV damage.
Tranexamic Acid + Dipotassium GlycyrrhizateDeep moisturizing penetration with two types of nano hyaluronic acid
Contains two types: nano-sized hyaluronic acid (hydrolyzed hyaluronic acid) and hyaluronic acid Na-2. Delivers moisture deep into the stratum corneum and maintains plump skin for a long time.
Nano HA☆ + Hyaluronic Acid Na-2☆Serum-like rich and moist texture
A combination of multiple moisturizing ingredients such as concentrated glycerin, diglycerin, and BG for serum-level moisture. Perfect for a simple skincare routine as hydration is completed with just one lotion.
Complex moisturizing ingredients included“Perfect Simple®” 5-Free formula
Fragrance-free, colorant-free, mineral oil-free, alcohol (ethanol)-free, paraben-free. Inherits Rohto Hada Labo's design philosophy that thoroughly eliminates unnecessary irritation to the skin.
5-Free, Weakly acidic




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| Ingredient name | Category | General function |
|---|---|---|
| Tranexamic Acid (White Tranexamic Acid★) | Active ingredient (whitening) | Approaches melanocytes to inhibit melanin production, preventing spots and freckles |
| Dipotassium Glycyrrhizate | Active ingredient (anti-inflammatory) | Suppresses skin inflammation caused by UV damage and prevents dullness and rough skin |
| Hydrolyzed Hyaluronic Acid (Nano Hyaluronic Acid)☆ | Other ingredients | Fine particles penetrate deeply into the stratum corneum, replenishing moisture from within |
| Hyaluronic Acid Na-2☆ | Other ingredients | Forms a moisture film on the skin surface to prevent water evaporation and maintain hydration |
| Vitamin C Phosphate Mg (Vitamin C derivative)* | Other ingredients | Supports skin conditioning and moisturizing, helps enhance skin clarity |
| Vitamin E | Other ingredients | Antioxidant aid and skin conditioning effect |
| Concentrated Glycerin, Diglycerin | Other ingredients | Polyhydric alcohol with high moisture absorption and retention. The main moisturizing agent for a moist texture |
| BG (Butylene Glycol) | Other ingredients | Polyhydric alcohols used as moisturizers, preservatives, and solvents |
| PEG-8, PEG(30) | Other ingredients | Polyethylene glycols that aid moisturizing and ingredient dissolution |
| POE(24) POP(24) Glyceryl Ether | Other ingredients | Solubilizer and moisturizing aid. Improves texture absorption |
| Lauric Acid POE(20) Sorbitan | Other ingredients | Non-ionic surfactant. Uniformly disperses and solubilizes ingredients |
| Carboxyvinyl polymer | Other ingredients | Forms a moist viscosity and texture as a thickener |
| VP/styrene copolymer emulsion | Other ingredients | Forms a thin film on the skin to lock in moisture as a film-forming agent |
| Edetate salts | Other ingredients | Maintains product quality and stability as a chelating agent |
| Sodium pyrosulfite | Other ingredients | Prevents deterioration and discoloration of ingredients as an antioxidant |
| Phenoxyethanol | Other ingredients | Preserves product quality and hygiene as a preservative |
★ Product name: “Rohto HP Quasi-drug Whitening Lotion Ra” ☆ Two types of hyaluronic acid *Vitamin C phosphate Mg (Vitamin C derivative)
* “General functions” describe the general functions of ingredients and do not indicate the product’s efficacy. Please always check the full ingredient list on the current package.
* “Whitening” refers to suppressing melanin production to prevent spots and freckles. This is displayed within the scope of efficacy based on Japan’s Pharmaceutical and Medical Device Act (Quasi-drug).
| Steps | Method & Points |
|---|---|
| ① After washing your face | Use on clean skin after washing your face. |
| ② Take an appropriate amount into the palm | Take an appropriate amount (about the size of a 500-yen coin) into the palm. |
| ③ Apply to skin | Gently apply over the entire face and press softly to absorb. |
| ④ About crystals on the cap | If crystals of the whitening ingredient stick to the cap, please wipe them off with a clean gauze or similar before use. There is no problem with the quality. |
| ⑤ Next Step | After applying lotion, layering with the same series’ emulsion or Cream can more effectively lock in moisture. |
Hada Labo is a skincare brand established by Rohto Pharmaceutical in 2004. Centered on the philosophy of “Perfect Simple®”, which means "no unnecessary ingredients, only pursuing what is necessary," it consistently maintains a fragrance-free, colorant-free, alcohol (ethanol)-free, mineral oil-free, and paraben-free formula.
Hakuju Premium is a higher-level line within the Hakuju series that aims to "prevent spots and rough skin while providing moisture and aiming for naturally clear skin." The old formula contained only the whitening active ingredient tranexamic acid, but now it also includes the anti-inflammatory active ingredient dipotassium glycyrrhizinate, achieving a comprehensive approach to skin damaged by ultraviolet rays.
Rohto Pharmaceutical is a comprehensive healthcare manufacturer based in Osaka Prefecture. Utilizing pharmaceutical technology cultivated over its long history since its founding in 1899, the Hada Labo series has grown into a long-selling brand loved worldwide, especially in Asia.
- Use with caution, paying close attention to any abnormalities on your skin. If redness, swelling, itching, irritation, depigmentation (such as white spots), or darkening occurs during or after use when exposed to sunlight, stop using and consult a dermatologist. Continuing to use may worsen symptoms.
- Do not use on areas with wounds, swelling, eczema, or other abnormalities.
- Be careful not to get it in your eyes. If it does, rinse immediately with water or lukewarm water. If abnormalities persist, consult an ophthalmologist.
- Discontinue use if it does not suit your skin.
- Avoid storing in direct sunlight, high temperatures, or low temperatures.
- Always tightly close the cap after use and store it cleanly.
- Keep out of reach of infants and toddlers.
- Crystals of the whitening ingredient may stick to the cap, but there is no problem with the quality. Please wipe it off with a clean gauze or similar before use.













































































