This is a lightweight, mineral-based sunscreen serum featuring 21.75% zinc oxide alongside skin-loving botanicals and antioxidants to deliver daily broad-spectrum SPF 30 protection with a hydrating, dewy finish.
The performance rating of 8.5/10 is justified by the robust 21.75% Zinc Oxide active ingredient, which delivers outstanding broad-spectrum UV protection. To combat the typical chalkiness of high-zinc formulas, it leverages lightweight emollients like Dicaprylyl Carbonate, Caprylic/Capric Triglyceride, and Coconut Alkanes to ensure smooth application and improved spreadability. Additionally, skin-restoring agents like Shea Butter, Olive Fruit Oil, Calendula, and Vitamin E work to condition the skin and offer antioxidant benefits. The slight deduction is because the heavy emollient base and SPF-boosting salicylates (Butyloctyl Salicylate) may leave a slightly greasy or dewy finish on oily skin types.
The exceptional safety rating of 9.3/10 is earned due to the formula’s reliance on non-nano Zinc Oxide, which is widely recognized as the safest and most stable UV filter for sensitive and reactive skin. It is completely free from high-risk chemical sunscreen filters, parabens, and synthetic fragrances. Calming botanicals like Calendula Officinalis Flower further reduce the risk of irritation. The minor deduction accounts for the presence of Butyloctyl Salicylate, which some extremely sensitive individuals choose to avoid, and the potential comedogenicity of fatty alcohols (Cetyl and Stearyl Alcohol) and Shea Butter for acne-prone skin.
At an overall rating of 8.9/10, this product is a highly impressive, safety-first SPF serum that successfully marries high-performance sun protection with nourishing skincare. It is an ideal option for dry, sensitive, and mature skin seeking a non-irritating, moisture-rich physical sunscreen. However, users with oily or acne-prone skin should be mindful of the rich botanical oils and fatty alcohols, which could potentially lead to clogged pores.
This formulation represents a highly sophisticated and modern take on mineral sun protection, effectively blurring the line between a deeply hydrating facial serum and a daily SPF. At its core is an impressive 21.75% Zinc Oxide, an outstanding, photostable physical UV filter that provides robust, uniform broad-spectrum protection against both skin-aging UVA rays and sunburn-inducing UVB rays. Beyond its defensive capabilities, zinc oxide is highly regarded for its natural skin-soothing, anti-inflammatory, and protective properties. Unlike traditional mineral sunscreens that are notoriously thick, heavy, and paste-like, this innovative product is structured as a fluid serum. It utilizes a curated selection of lightweight, plant-derived esters and emollients—including Dicaprylyl Carbonate, Caprylic/Capric Triglyceride, and Coconut Alkanes—to ensure a silky glide, rapid absorption, and a breathable finish on the skin. To maximize its defense capabilities, the formulation incorporates Butyloctyl Salicylate and Tridecyl Salicylate. These salicylate esters function as efficient SPF boosters and photostabilizers, helping to disperse the heavy mineral particles evenly across the skin and prevent them from clumping. The skincare-first philosophy of this serum is elevated by a rich blend of nourishing, barrier-supporting ingredients. Butyrospermum Parkii (Shea) Butter and Olea Europaea (Olive) Fruit Oil deliver deep, lipid-replenishing moisture to prevent trans-epidermal water loss, while Tocopheryl Acetate (Vitamin E) acts as a potent antioxidant powerhouse that neutralizes free radicals and works synergistically with the sunscreen to minimize cellular damage. To calm the complexion, Calendula Officinalis (Pot Marigold) Flower provides excellent anti-inflammatory and skin-calming benefits, making this formula highly comforting for those prone to redness or environmental sensitivity. Despite these incredible benefits, the formulation may present challenges for certain skin profiles. The heavy presence of rich moisturizing lipids combined with structural fatty alcohols such as Cetyl Alcohol and Stearyl Alcohol, results in a highly emollient, dewy finish. While dry, dehydrated, and normal skin types will thrive under this intense nourishment, individuals with oily or congestion-prone skin may find the texture too heavy or experience a greasy sheen as the day progresses. Furthermore, these rich oils and fatty alcohols can carry a risk of clogging pores for acne-prone individuals. Finally, while the serum-like slip helps minimize the notorious chalkiness of mineral sunscreens, a 21.75% concentration of Zinc Oxide may still leave a slight, temporary white cast on deeper complexions, requiring patient blending. In summary, this is a beautifully crafted, clean SPF serum that successfully unites daily sun protection with luxurious skin-barrier support.
🧪 Zinc Oxide (21.75%) / 氧化锌 (21.75%)
Purpose: Provides physical broad-spectrum UV protection by reflecting and scattering UVA and UVB rays.
Concerns: Can leave a white cast on the skin, although newer formulations minimize this effect.
Notes: An excellent mineral sunscreen active that is highly recommended for sensitive, reactive, or acne-prone skin due to its soothing, anti-inflammatory properties.
🧪 Butyloctyl Salicylate / 水杨酸丁辛酯
Purpose: Acts as a chemical sunscreen booster, solvent, and emollient.
Concerns: Those wishing to use a 100% purely mineral sunscreen may want to avoid it, as it is structurally similar to chemical UV filters.
Notes: Helps stabilize and dissolve cosmetic ingredients while significantly enhancing the overall SPF rating of physical sunscreens. Spelled as ‘Butyloctyl Salicyclate’ in the original list.
🧪 Tridecyl Salicylate / 十三烷醇水杨酸酯
Purpose: Skin-conditioning agent, pigment dispersant, and sunscreen booster.
Concerns: Possibility of mild irritation for individuals extremely sensitive to salicylates.
Notes: Helps to evenly disperse Zinc Oxide and other mineral pigments while softening the skin. Spelled as ‘Tridectyl Salicyclate’ in the original list.
🧪 Butyrospermum Parkii (Shea) Butter / 牛油果树(乳木果)果脂
Purpose: Deeply moisturizing emollient and skin barrier-repairing lipid.
Concerns: May feel heavy or clog pores for those with very oily or acne-prone skin types.
Notes: Rich in beneficial fatty acids and vitamins, making it exceptional for soothing dry and windburned skin.
🧪 Olea Europaea (Olive) Fruit Oil / 油橄榄果油
Purpose: Nourishing natural emollient and antioxidant-rich carrier oil.
Concerns: High oleic acid content can potentially exacerbate acne-prone skin or disrupt compromised skin barriers if used in high amounts.
Notes: Provides excellent dry-skin relief and supplies fatty acids and squalene to the skin.
🧪 Lecithin / 卵磷脂
Purpose: Emulsifier, skin-replenishing agent, and penetration enhancer.
Concerns: Generally safe with no major safety or skin concerns.
Notes: A natural lipid that helps restore the skin barrier and can form liposomes to transport other active ingredients deeper.
🧪 Dicaprylyl Carbonate / 碳酸二辛酯
Purpose: Provides immediate emolliency, improves spreadability, and acts as a solvent.
Concerns: No known cosmetic concerns; highly tolerated.
Notes: Provides a dry, velvet-like finish that cuts down the greasy feel of oils and heavy sunscreens.
🧪 Caprylic/Capric Triglyceride / 辛酸/癸酸甘油三酯
Purpose: Lightweight skin-conditioning emollient.
Concerns: Very low risk, but extremely acne-prone skin might find it slightly comedogenic depending on the overall formula.
Notes: Derived from coconut oil and glycerin, it replenishes the skin surface and prevents moisture loss.
🧪 Coco-Caprylate/Caprate / 椰油醇-辛酸酯/癸酸酯
Purpose: Fast-spreading, lightweight plant-derived emollient.
Concerns: No known cosmetic concerns; highly tolerated.
Notes: Often used as a natural alternative to synthetic silicones to give a smooth, silky finish.
🧪 Coconut Alkanes / 椰油烷烃
Purpose: Volatile emollient and solvent that enhances spreadability.
Concerns: Occasionally accused of being comedogenic by those sensitive to coconut derivatives, though generally considered highly safe.
Notes: Evaporates slowly on the skin, leaving a dry, silky, and elegant finish.
🧪 Sorbitan Sesquioleate / 倍半油酸山梨坦
Purpose: Co-emulsifier and surfactant to help blend oil and water.
Concerns: Can be a potential allergen for individuals with damaged skin barriers or eczema.
Notes: Mainly used to stabilize water-in-oil cosmetic formulations.
🧪 Polyglyceryl-2 Dipolyhydroxystearate / 聚甘油-2 二聚羟基硬脂酸酯
Purpose: High-performance emulsifier and mineral pigment dispersant.
Concerns: Extremely gentle with virtually no skin irritation or safety concerns.
Notes: Superb for dispersing physical sunscreens like Zinc Oxide, ensuring a uniform application on the skin.
🧪 Cetyl Alcohol / 鲸蜡醇
Purpose: Fatty alcohol used as an emollient, thickener, and stabilizer.
Concerns: Despite being an ‘alcohol,’ it is completely non-drying, non-irritating, and safe for all skin types.
Notes: Helps give the serum a creamy texture and prevents the separation of the oil and water phases.
🧪 Stearyl Alcohol / 硬脂醇
Purpose: Fatty alcohol acting as an emollient, thickener, and emulsion stabilizer.
Concerns: Completely non-drying and highly safe.
Notes: Works in tandem with other fatty alcohols to create a stable, creamy consistency.
🧪 Tocopheryl Acetate (Vitamin E) / 生育酚乙酸酯
Purpose: Antioxidant and skin conditioner.
Concerns: Rarely, pure high concentrations can trigger allergic contact dermatitis in hyper-sensitive individuals.
Notes: Protects the skin from oxidative stress caused by UV rays and keeps the plant oils in the formulation from oxidizing.
🧪 Calendula Officinalis (Pot Marigold) Flower / 金盏花花
Purpose: Skin-soothing, conditioning, and anti-inflammatory botanical.
Concerns: Individuals with known allergies to the Asteraceae (daisy) family should exercise caution.
Notes: Highly regarded for calming compromised, red, or irritated skin, making it an excellent post-sun ingredient.
🧪 Ethylhexylglycerin / 乙基己基甘油
Purpose: Preservative booster, mild humectant, and skin deodorizer.
Concerns: Low sensitization potential, but generally considered very safe.
Notes: Commonly used in paraben-free formulations to boost the efficacy of traditional preservatives. Spelled as ‘Ethylhexyglycerin’ in the original list.