Squalane and GTCC (high-purity oil esterified from caprylic/capric acid and glycerol) can be formulated into a compound ingredient known as Plant-Based Bionic Sebum, which is also worth exploring.

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In recent years, the reduction of ozone in the ozone layer has allowed large amounts of ultraviolet radiation to enter the atmosphere through the ozone hole. When UV rays penetrate the outermost stratum corneum of the skin and reach the inner epidermal layers, tyrosinase in melanocytes becomes activated, producing excessive pigment, which leads to the formation of spots and uneven skin tone. Modern cosmetics have become daily consumer products used to improve skin appearance, pursue fashion, and enhance personal charm. Whitening cosmetics, in particular, are skincare products designed to address hyperpigmentation. The pursuit of safe, gentle, healthy, and effective whitening methods has become a growing trend. The Zhina Technology team will explore commonly used cosmetic whitening agents and the synergistic effects of different whitening ingredients in improving pigmentation.

Arbutin and its derivatives
Arbutin, also known as arbutoside, appears as white needle-like crystals or powder and is readily soluble in water and polar solvents. It can be sourced from plant extraction, plant tissue culture, enzymatic methods, or organic synthesis, with purity being a critical factor in quality evaluation. As a derivative of hydroquinone, arbutin acts as a reversible competitive inhibitor of tyrosinase. It suppresses tyrosinase activity within concentrations non-toxic to melanocytes, blocking the synthesis of dopa and dopaquinone, thereby inhibiting melanin production, reducing skin pigmentation, and fading spots.

Vitamin C and its derivatives
Vitamin C, also known as ascorbic acid, exhibits antioxidant properties and free radical-scavenging abilities. Its whitening mechanism primarily involves two aspects: first, it interrupts the oxidation process of melanin and reduces melanin intermediates and polymers; second, it participates in tyrosine metabolism, inhibiting tyrosinase activity to decrease melanin formation and achieve whitening effects. However, due to its susceptibility to oxidation and discoloration in air, as well as poor skin absorption, Vitamin C has increasingly been replaced by derivatives with comparable whitening efficacy but superior stability and absorption. Examples include Magnesium Ascorbyl Phosphate, Ascorbyl Palmitate, and Ascorbyl Glucoside.

Brightening Complex — Derived from Chinese herbal medicine, it gently and rapidly improves dull skin tone and related concerns!

Brightening Complex is based on the formulation principles of traditional Chinese medicine, selecting licorice, wormwood, and wolfberry to regulate the liver, spleen, and kidneys, supplemented with mulberry root bark to tonify deficiency and boost qi, and scutellaria baicalensis to clear heat and dry dampness. This blend perfectly integrates five botanical active ingredients, leveraging synergistic effects to address pigmented skin concerns. Simultaneously, Brightening Complex is meticulously extracted using modern extraction and separation technologies. Each component in its efficacy system targets key pathways in modern dermatological theory for combating melanin, achieving "simultaneous treatment of root causes and symptoms" and delivering powerful brightening effects through multi-target, multi-dimensional, and multi-level actions.

Laboratory tests confirm that the compound product exhibits excellent stability and an optimal pH, with user feedback indicating minimal irritation and significant results. As the pursuit of effective brightening products continues to evolve, leveraging the synergy and comprehensive effects of various brightening agent ingredients will serve as the guiding principle for our ongoing development of whitening product formulations.

An Essential Physiological Function of the Skin – Moisturization

1. The process of skin aging, from infancy to old age, can essentially be described as a process of continuous water loss.

2. The tenderness of the skin depends on the water content in the stratum corneum of the epidermis, as the skin's moisture level decreases gradiently from the inner to the outer layers.

3. The normal water content of the stratum corneum is 10–20%. When external humidity drops below 60%, the water content in the stratum corneum decreases, leading to skin issues such as dryness.

Therefore, hydration is a crucial fundamental step in daily skincare routines.