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Emollient

Cyclopentasiloxane

Often labeled as: D5 Volatile Silicone

The iconic, flash-drying silicone solvent.

๐Ÿ›ก๏ธ
Overall Safety Safe
๐Ÿ‘ถ
Pregnancy Safety Safe
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Comedogenic (0-5) 0 / 5
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Irritancy (0-5) 0 / 5

๐Ÿ”ฌ How It Actually Works

A cyclic, volatile silicone. It is the secret behind the incredible slip of luxury cosmetics. It applies smoothly, then evaporates entirely into the air, leaving active ingredients behind without a greasy feel.

๐Ÿ’– Why your skin loves it

Provides weightless, flawless spreadability to heavy sunscreens and foundations.

๐Ÿ’ก Pro Tip

Being phased out in some regions due to environmental accumulation concerns, but perfectly safe for human skin.

โš–๏ธ Myth vs. Fact

The Myth

It clogs pores and suffocates the skin.

The Science

Because it is volatile, it physically evaporates off the skin within minutes. It is impossible for it to clog a pore.

๐Ÿงด Formulations featuring Cyclopentasiloxane

โ˜… 8.6
Tea Tree Oil Moisturiser
Aiken
Tea Tree Oil Moisturiser
Moisturizer

A classic, highly reliable lightweight emulsion tailored for acne-prone skin. It blends a network of volatile silicones (Cyclopentasiloxane, Cyclohexasiloxane) to provide a breathable, sweat-resistant seal over the skin without feeling heavy or sticky. The active inclusion of 4-Terpineol and Melaleuca Alternifolia directly targets bacterial growth, while Licorice Root and Bisabolol act as elite soothing agents to suppress localized inflammation.

โ˜… 9.2
๐Ÿงด
Aiken
Prebiotic Hydra Plus Moisturizer
Moisturizer

A highly functional water-based gel cream. It blends a robust Prebiotic and Postbiotic complex with Niacinamide to actively feed the cutaneous microbiome and brighten dull profiles. By utilizing lightweight silicones, it achieves a smooth, non-greasy finish that locks in moisture without suffocating the pores during hot weather.

โ˜… 8.6
๐Ÿงด
Aiken
Prebiotic Hydra Plus Moisturiser
Moisturizer

An incredibly accessible, highly popular drugstore water-gel. Bypassing heavy pore-clogging butters entirely, it utilizes a volatile silicone matrix (Cyclopentasiloxane) combined with Niacinamide and a specialized prebiotic complex (Alpha-Glucan Oligosaccharide). It provides a burst of cooling hydration that evaporates into a weightless matte finish, making it a staple for oily skin in tropical humidity. However, the strong synthetic fragrance limits its appeal for hyper-reactive barriers.

โ˜… 8.7
Vita-C Bright Moisturizer
Aiken
Vita-C Bright Moisturizer
Moisturizer

A multifaceted brightening gel-cream that targets dullness and mild breakouts simultaneously. It combines stable Vitamin C (Ascorbyl Glucoside), Mandelic Acid, and Niacinamide to gently lift hyperpigmentation without massive irritation. The inclusion of Tea Tree Oil and trace Salicylic Acid keeps the pores clear, while the silicone matrix (Cyclopentasiloxane, Dimethicone) provides a smooth, breathable finish. It is highly versatile but does contain synthetic fragrance.

โ˜… 9.4
Prebiotic Sunscreen SPF50 PA+++
Aiken
Prebiotic Sunscreen SPF50 PA+++
Sunscreen

A highly advanced drugstore hybrid sunscreen that rivals premium clinical formulations. It utilizes elite, next-generation European chemical filters (Uvinul A Plus, Tinosorb S) alongside physical Titanium Dioxide to provide incredibly robust, photo-stable defense. Furthermore, it incorporates Niacinamide and a potent microbiome-supporting prebiotic complex. The inclusion of Silica and volatile silicones ensures the emulsion dries down entirely flat, avoiding the typical heavy grease associated with high-protection SPF 50 milks.