Washing machine has sediment at the bottom – Causes and solutions
Washing machines are gradually becoming indispensable items in every modern family. However, after a period of use, many people encounter…
In the cosmetics industry, product quality and safety are always mandatory factors that determine the success of a brand. To achieve this, product evaluation before mass production is a mandatory inspection step, helping businesses eliminate all risks and affirm their commitment to consumers. At THT Vietnam, process evaluation is carried out strictly, transparently and professionally, […]
In the cosmetics industry, product quality and safety are always mandatory factors that determine the success of a brand. To achieve this, product evaluation before mass production is a mandatory inspection step, helping businesses eliminate all risks and affirm their commitment to consumers. At THT Vietnam, process evaluation is carried out strictly, transparently and professionally, ensuring that each product delivered to customers meets the highest standards.
A prototype is the first test version developed based on the business’s ideas, formulas and brand orientation. This is not just a “draft” but also a comprehensive verification tool for quality, efficiency and safety before mass production. This evaluation helps businesses detect technical errors early, optimize formulas, control risks and especially receive real feedback from target customers. As a result, when the product is launched on the market, it will meet the maximum expectations of consumers, minimize the risk of returns and protect brand reputation:

The process begins with THT’s R&D team directly communicating with the client to understand the details of the business objectives, target customer groups, market characteristics and special requirements regarding product formulation, fragrance, texture. This helps build a solid foundation for the entire prototype development process.
Based on the collected information, the team of experts will research, select suitable raw materials, build optimal formulas and proceed to produce test samples on modern production lines. Each technical parameter is strictly controlled to ensure that the test sample accurately represents the product that will be mass produced.
The samples are thoroughly tested for color, scent, solubility, cleaning ability, compatibility with skin or materials used. The team of experts will directly compare with competing products on the market, analyze the advantages and disadvantages to determine the difference and competitive value of the sample product.
Not only stopping at the sensory, the sample product must also undergo strict safety tests: testing for irritation, determining chemical content, microbiological testing and safety indicators according to the standards of the Ministry of Health and reputable inspection organizations. Only samples that meet the standards will be moved to the next step.
Samples will be sent to customers for testing in real conditions. The company will collect detailed feedback on quality, effectiveness, scent, texture, packaging, etc. All comments are recorded and analyzed to perfect the product in the most optimal way.
Based on real-world feedback, the R&D team will flexibly adjust the ingredients, scent, texture or packaging design to best meet the expectations of the target market. This process can be repeated many times until the customer is completely satisfied.
Only when the customer confirms absolute satisfaction, the standard sample is finalized and stored for comparison and quality control throughout the mass production process. This step ensures that the product is always consistent in quality when it is released to the market.
Quality assurance, absolute safety: Products are thoroughly tested from formula to effectiveness and safety for consumers.
Optimize the right formula: Flexibly adjust according to actual feedback, create different products, suitable for market trends.
Minimize risk, protect brand reputation: Detect and eliminate product defects before mass production, minimizing costs and business risks.
Increase customer satisfaction and build trust: Transparent and professional processes help customers feel secure in long-term cooperation.

The professional sample product evaluation process is THT’s quality commitment to all customers cooperating in cosmetic chemical processing. This is the foundation that helps businesses confidently bring products to the market, conquer consumers and build a sustainable brand in the modern cosmetic chemical industry.
Contact THT Vietnam to experience a professional process, optimizing quality and safety for all your product lines!
Washing machines are gradually becoming indispensable items in every modern family. However, after a period of use, many people encounter…
In the cosmetics industry, especially in the field of detergent production, pH is one of the most important factors that…
In the increasingly competitive cosmetics market, building a private label brand is not just about beautiful packaging or a massive…