Freeze-Dried Flash-Release Technology: Skincare Black Tech Locking in Activity

I. Why Are Active Ingredients Always "Afraid of Water, Light, and Air"?

In the field of functional skincare, a persistent challenge troubling formulators is that many high-value active ingredients—such as peptides, recombinant collagen, vitamin C, and coenzyme Q10—are generally intolerant to high temperatures, prone to oxidation, and extremely susceptible to deactivation when exposed to water and air. In traditional liquid skincare products, active ingredients remain constantly in an aqueous environment where degradation is irreversible, leading to a continuous decline in the content of active components from production to use [1].

To solve this problem, freeze-drying technology derived from the pharmaceutical field was introduced into the cosmetics industry, giving rise to the freeze-dried flash-release process.

II. The Scientific Principles of the Freeze-Dried Flash-Release Process

Freeze drying, also known as lyophilization or sublimation drying, is a technology that rapidly freezes a liquid formulation containing active ingredients at extremely low temperatures, and then causes water to sublime directly from solid ice into gaseous water vapor in a high-vacuum environment, thereby removing moisture while preserving the active ingredients [2].

2.1 Three Core Steps

Step 1: Flash Freezing. The liquid formulation is rapidly frozen at extremely low temperatures (the industry's advanced level can reach -196℃ ultra-low temperature flash freezing), allowing the active ingredients to cross the crystallization zone in an extremely short time to form ultra-fine ice crystals. At this cryogenic temperature, molecular motion of heat-sensitive components virtually ceases, entering a state of "deep dormancy" [1].

Step 2: Sublimation. The frozen product is placed in a high-vacuum environment where the pressure is reduced to a level where the frozen water transitions directly from a solid (ice) to a gas (water vapor) without passing through a liquid phase, thus avoiding the damage caused to active ingredients by high temperatures in traditional drying processes [2].

Step 3: Desorption. Bound moisture remaining in the product is further removed to reduce the final moisture content to an extremely low level, ensuring long-term stable preservation of the product at room temperature.

2.2 The Meaning of "Flash Release"

"Flash release" refers to the characteristic of freeze-dried products to rapidly disintegrate upon contact with water and swiftly release active ingredients during use. High-quality freeze-dried products can dissolve and reconstitute completely without residue within seconds to one minute after contacting water, achieving a dual breakthrough in ingredient activity stability and absorption efficiency [3].

III. Four Major Advantages of the Freeze-Dried Flash-Release Process over Traditional Liquid Products

3.1 Maximum Preservation of Active Ingredients

After ultra-low temperature flash freezing and vacuum drying, the active ingredients are sealed in a solid, "water-free" form, effectively isolating them from oxidative and hydrolytic degradation. Industry data show that the activity retention rate of the cryogenic freeze-drying process can reach over 98% [4]. In contrast, traditional liquid serums face the problem of oxidative degradation of active ingredients during storage and transportation, which may significantly reduce the content of effective components within their shelf life.

3.2 Reduced or Even Zero Preservative Addition

Because the product is in an "anhydrous" solid state, it is difficult for microorganisms to grow and reproduce, allowing freeze-dried products to significantly reduce or completely eliminate the need for added preservatives. This is of great significance for individuals with sensitive skin and consumers seeking "clean beauty" [2].

3.3 Fresh and Highly Effective with Instant Preparation

Freeze-dried products typically adopt a separated packaging design consisting of a "solid serum + solvent", which are mixed only at the time of use. This fresh-mix design ensures that active ingredients maintain high activity at the moment of application, penetrating deep into the skin effectively to exert skincare efficacy while catering to consumers' diverse usage scenarios [5].

3.4 Room-Temperature Transportation, Lowering Costs

Solid freeze-dried products do not require cold-chain transportation or refrigerated storage, which significantly reduces logistics costs and warehousing requirements while expanding the product's sellable geographic reach.

IV. Major Application Forms of Freeze-Drying Technology in Cosmetics

Currently, the application of freeze-dried flash-release technology in cosmetics mainly includes the following forms:

(1) Freeze-dried powder: The most classic form of freeze-dried products, typically paired with a solvent, commonly found in repairing and anti-aging serum products.

(2) Freeze-dried sheet mask: The serum is solidified onto the mask sheet via the freeze-drying process and activated with water upon use. Compared to traditional liquid masks, the active ingredients in freeze-dried masks remain dormant prior to use, resulting in a longer shelf life [6].

(3) Freeze-dried flash-release tablet/solid serum: Can be directly dissolved in water or applied to the face; highly portable and ideal for travel and business trips.

V. Freeze-Drying Technological Capabilities of Shengwei Pharmacy

As a well-known domestic incubation base for medical aesthetics repair and emerging brands, Shengwei Pharmacy takes the freeze-dried flash-release process as one of its core technologies, applying it to the development and production of functional skincare products.

The company develops functional skincare products based on technologies such as liposome encapsulation, freeze-dried flash-release process, plant extraction, and biosynthesis. It mainly produces various dosage forms including freeze-dried powders, freeze-dried sheet masks, toners, lotions, creams, ointments, and serums, covering market segments such as BFS hydra-glow unit-dose serums, ampoule serums, post-procedure medical aesthetics repair kits, anti-wrinkle and firming serums, barrier repair toners & lotions, and brightening efficacy products. With an annual production capacity exceeding 450 million pcs, the company possesses capabilities in special cosmetics registration and human efficacy evaluation, offering one-stop OEM, ODM, and CDMO customization services.

In terms of hardware facilities, Shengwei Pharmacy possesses a 162.5-square-meter freeze-dried cosmetics production chamber equipped with 21 modern production lines, capable of supporting end-to-end services from sample formulation to scaled mass production. Embracing the philosophy of "four-in-one integration of industry, academia, research, and medicine," the company relies on independent technological R&D capabilities including the freeze-dried flash-release process to focus on developing functional skincare products, providing one-stop OEM, ODM, and CDMO customization and brand incubation services for renowned and emerging brands both domestically and internationally.

Shengwei Pharmacy (Shanghai) Co., Ltd. has a dedicated cosmetics R&D department with the capability to independently conduct basic research in skin physiology, raw material testing and screening, formula research, and packaging development. Embracing the philosophy of "four-in-one integration of industry, academia, research, and medicine," the company relies on independent technological R&D capabilities such as the freeze-dried flash-release process, liposome encapsulation technology, plant extraction technology, plant fermentation technology, biosynthesis technology, carrier encapsulation technology, and liquid crystal emulsification technology to focus on developing functional skincare products. Its main business covers freeze-dried powders/freeze-dried sheet masks, BFS hydra-glow unit-dose serums, ampoule serums, post-procedure medical aesthetics repair, and anti-wrinkle & firming products. Possessing special cosmetics registration and human efficacy evaluation capabilities, it provides one-stop OEM, ODM, and CDMO customization and brand incubation services for renowned and emerging brands both domestically and internationally.

VI. Precautions When Purchasing Freeze-Dried Skincare Products

When purchasing freeze-dried skincare products, consumers are advised to pay attention to the following points:

First, inspect the qualifications and production line conditions of the manufacturing enterprise. Genuine freeze-dried products require professional freeze-drying production chambers and cleanrooms; informal small workshops can hardly meet the technical requirements.

Second, pay attention to the addition levels of active ingredients and the basis of claims. According to the "Standards for Cosmetic Efficacy Claim Evaluation," cosmetics claiming efficacies such as skin repairing should conduct efficacy claim evaluations through human efficacy evaluation trials [7].

Third, follow the proper method of use. Freeze-dried products generally need to be mixed with a solvent prior to use and should be used up as soon as possible after mixing to ensure optimal performance of the active ingredients.

VII. Conclusion

Through the technological pathway of "ultra-low temperature flash freezing — vacuum sublimation — flash release upon water contact," the freeze-dried flash-release process effectively resolves the industry pain point where active ingredients are prone to deactivation in liquid skincare products. With the continuous growth of the functional skincare market and consumers' increasing demands for ingredient activity, freeze-drying technology is transitioning from a "niche concept" to a "mainstream category." Enterprises equipped with independent freeze-drying R&D capabilities and large-scale freeze-drying production chambers will secure a first-mover advantage in this arena.

References

[1] Sohu. Revealing the Barriers of Freeze-Dried Eye Mask OEM: Weibao Haitai Proves "Activity Delivery" with Efficacy Data. 2026-07-24.

[2] Kintek Solution. How does freeze drying benefit the cosmetics industry? 2026-03-08.

[3] China.com Tech. Unit-Dose Freeze-Dried Serum Trending as a Blockbuster: Weibao Haitai Leads the OEM Track with Pharmaceutical-Grade Freeze-Drying Technology. 2026-02-06.

[4] Luowei International. When the Dragon Boat Festival Meets Freeze-Dried Skincare, Luowei International Takes You into a New Era of Skin "Freshness Preservation". 2025-05-31.

[5] China.com Tech. Weibao Haitai Leads the Freeze-Dried Serum OEM Track, Empowering a New Paradigm of High-Efficiency Skincare with Pharmaceutical-Grade Technology. 2025-12-12.

[6] Sohu. Summer Skincare Test: How Weibao Haitai Freeze-Dried Mask OEM Facilitates Category Upgrades. 2026-07-31.

[7] National Medical Products Administration. Standards for Cosmetic Efficacy Claim Evaluation (No. 50 of 2021). 2021-04.