Name: China High Quality Isobutylamido Thiazolyl Resorcinol Powder Manufacturers Suppliers - Factory Direct Wholesale - HUILIN BIO
Brand: Huilin
SKU: 301738457

Introduction: Redefining Skin Brightening Efficacy

Isobutylamido Thiazolyl Resorcinol Powder - Premium Skin Brightening Active

Isobutylamido Thiazolyl Resorcinol is a groundbreaking advancement in targeted hyperpigmentation correction. As a highly potent molecule, it directly addresses the root cause of melanin overproduction. Unlike many traditional ingredients that act on the surface or via indirect pathways, it has been proven to effectively inhibit human tyrosinase activity at its core-the key enzyme responsible for melanin synthesis in human skin ^[1]. This scientific precision translates to visible, clinically proven reductions in dark spots and a more uniform complexion, establishing it as a gold-standard active in professional and consumer skincare worldwide.

Biochemical & Physical Parameters of Isobutylamido Thiazolyl Resorcinol

Parameter	Specification / Value
IUPAC Name	N-[4-(2,4-dihydroxyphenyl)-1,3-thiazol-2-yl]-2-methylpropanamide
INCI Name	Isobutylamido Thiazolyl Resorcinol
CAS Number	1428450-95-6
EC Number	807-621-3
Physical Description	White to off-white crystalline powder
Purity	≥ 98% - 99%
Molecular Formula	C₁₃H₁₄N₂O₃S
Molecular Weight	278.33 g/mol
Density	1.4 ± 0.1 g/cm³
Solubility	Information limited. Low solubility in water is typical.
logP (Octanol-Water)	~2.8158 / ~3.55
Topological Polar Surface Area (TPSA)	82.45 Å²
pH for Reference Solubility	~5.67
Recommended Storage	2-8°C, stored under nitrogen
GHS Classification	Warning (GHS07)
Hazard Statements	H317: May cause an allergic skin reaction. H411: Toxic to aquatic life with long-lasting effects.
Mechanism of Action	Potent and specific inhibitor of human tyrosinase.

Mechanism of Action: Direct Inhibition of Human Tyrosinase

The unparalleled efficacy of Isobutylamido Thiazolyl Resorcinol stems from its unique, targeted mechanism of action tailored to human biology^[1].

Targeting the Active Core: It functions as a highly effective competitive inhibitor of human tyrosinase. Its molecular structure is engineered to mimic the natural substrate (tyrosine) of the enzyme, allowing it to bind directly to the enzyme's active site.
Dual-Binding Site Advantage: Research indicates that Isobutylamido Thiazolyl Resorcinol interacts with two critical regions of the human tyrosinase enzyme: the primary catalytic pocket and a secondary allosteric site. This dual-action binding leads to superior and more stable inhibition compared to ingredients that only target one site ^[2].
Halting the Melanin Cascade: By blocking tyrosinase, Isobutylamido Thiazolyl Resorcinol directly interrupts the first and rate-limiting step in the melanin biosynthesis pathway. This prevents the conversion of tyrosine to L-DOPA and subsequently to dopaquinone, effectively shutting down the entire chain reaction that leads to excessive pigment formation within melanocytes.
Human-Specific Efficacy: A key differentiator is its proven activity against human tyrosinase, which differs structurally from mushroom-derived tyrosinase often used in preliminary tests. This ensures its biological relevance and clinical effectiveness in human skin.

N-[4-(2,4-dihydroxyphenyl)-1,3-thiazol-2-yl]-2-methylpropanamide

Benefits & Clinical Evidence

Clinically Proven Reduction of Dark Spots: Multiple controlled clinical studies demonstrate that formulations with Isobutylamido Thiazolyl Resorcinol (at 0.2% concentration, used twice daily) significantly reduce the appearance of hyperpigmentation, including melasma and sun spots, within 2-4 weeks, with continued improvement over time ^[3].
Superior Efficacy vs. The Gold Standard: A clinical comparative study demonstrated that Isobutylamido Thiazolyl Resorcinol provides significant improvement in melasma, offering a favorable efficacy and safety profile compared to hydroquinone, the historical benchmark treatment for hyperpigmentation ^[4].
Suitable for All Skin Types, Including Sensitive Skin: Its targeted mechanism allows for high efficacy at low concentrations, minimizing the risk of irritation. It is well-tolerated and has been clinically tested on subjects with sensitive skin ^[3].
Addresses Key Pigmentation Triggers: Beyond direct tyrosinase inhibition, studies suggest it may also help counteract pigmentation induced by hormones (e.g., estrogen) and UV exposure, making it effective for melasma and photoaging ^[1].
Promotes an Even, Radiant Complexion: With consistent use, it not only fades existing spots but also helps prevent the formation of new ones, leading to a more uniform, healthy-looking skin tone.

Benefits of Isobutylamido Thiazolyl Resorcinol Powder

Applications in Skincare Formulations

Isobutylamido Thiazolyl Resorcinol is the cornerstone active for high-performance brightening and spot-correction products.

Product Category	Recommended Concentration	Formulation Role & Benefit
Targeted Serums & Ampoules	0.5% - 2%	High-potency treatment for concentrated delivery. Ideal for direct application on dark spots.
Brightening Creams & Lotions	0.3% - 1%	Daily-use products for all-over brightening, moisturization, and barrier support.
Corrective Spot Treatments	1% - 2%	Leave-on gels or patches for intensive, localized correction of stubborn pigmentation.
Essences & Treatment Toners	0.2% - 0.5%	Lightweight, fast-absorbing layers for cumulative brightening benefits.

Applications in Skincare Formulations

Frequently Asked Questions (FAQ)

Q: What is the difference between Isobutylamido Thiazolyl Resorcinol and other brighteners like kojic acid or vitamin C?

A: Unlike kojic acid (which may have stability issues) and vitamin C (which primarily acts as an antioxidant to reduce existing melanin), Isobutylamido Thiazolyl Resorcinol directly inhibits human tyrosinase-the root enzyme of melanin synthesis-with higher specificity and efficacy, achieving more targeted and long-lasting brightening results.

Q: Is Isobutylamido Thiazolyl Resorcinol safe to use during pregnancy or breastfeeding?

A: There is currently insufficient clinical data to confirm its safety for use during pregnancy or breastfeeding. It is recommended that pregnant or breastfeeding individuals consult a healthcare professional before using products containing this ingredient.

Q: Are there any side effects? Is it irritating?

A: When used at the recommended concentration, Isobutylamido Thiazolyl Resorcinol is well-tolerated by most skin types. A small number of people may experience mild skin sensitivity (such as redness or tingling). It is recommended to perform a skin patch test before first use.

Q: Can it be combined with other actives like retinoids or AHAs?

A: Yes, it can be combined with retinoids, AHAs, or other brightening ingredients (such as niacinamide) to enhance brightening effects. However, when combining multiple active ingredients, it is recommended to reduce the concentration of each ingredient appropriately to avoid skin irritation and gradually establish skin tolerance.

Q: What is the INCI name for this ingredient?

A: The INCI name is Isobutylamido Thiazolyl Resorcinol, which is the standard name used in cosmetic formulations worldwide.

Contact Us: Formulate Next-Generation Sun Protection

Elevate your skincare line with the proven, clinical power of Isobutylamido Thiazolyl Resorcinol. Our high-purity Isobutylamido Thiazolyl Resorcinol powder enables you to formulate next-generation products that deliver visible, scientifically validated results for even the most stubborn pigmentation concerns.

Contact us today for technical documentation, formulation support, and to request a sample! E-mail: ella.zhang@huilinbio-tech.com.

References

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