Silicone-Free Priming Moisturizer

Silicones are one of skincare's most polarizing ingredients. Dermatologists will tell you they're perfectly safe for most people. And they're right. But there's a vocal segment of skincare enthusiasts who've noticed that their skin behaves better without silicone-heavy products — fewer clogged pores, less buildup, a more natural feel. Whether that's attributable to the silicones themselves or to the heavy products they tend to appear in is debatable, but the preference is real and the demand for silicone-free alternatives has been growing steadily.

Good Molecules' Silicone-Free Priming Moisturizer was one of the brand's launch products, designed to fill a specific niche: people who want the smoothing, blurring, makeup-gripping benefits of a silicone-based primer but in a formula that doesn't contain any silicones. The key ingredient making this possible is neopentyl glycol diheptanoate, a plant-derived ester that mimics several of silicone's most desirable sensory properties — the slip, the smoothing, the slight blurring of texture — without being a silicone.

The difference is real but subtle. Traditional silicone primers have a distinctive 'filling' quality — they seem to physically settle into pores and fine lines, creating a literally smoother surface. Neopentyl glycol diheptanoate provides smoothing and slip, but it's more of a surface-leveling effect than a pore-filling one. If you've been using a dimethicone-heavy primer and switch to this, you'll notice the finish is slightly different — more velvety, less rubbery. Whether that's better or worse is entirely personal preference.

Beyond the priming function, this is a genuinely decent moisturizer. Shea butter provides rich emollient moisture and barrier support. Macadamia seed oil adds lightweight, skin-compatible lubrication (palmitoleic acid in macadamia oil closely resembles the fatty acids in human sebum). Propanediol acts as a humectant solvent. Sodium hyaluronate provides water-binding hydration. And the olive-derived emulsifier system (cetearyl olivate and sorbitan olivate) creates a skin-friendly base. Green tea extract and vitamin E acetate add antioxidant protection — appropriate for a product designed for morning use when the skin faces environmental exposure.

The texture is where this product shines. It applies like a lightweight cream but transforms on the skin into something smoother and more velvety — the transition from moisturizer to primer happening as you blend it in. There's a satisfying slip during application that makes you want to smooth it across your entire face, and it sets into a semi-matte finish that genuinely feels like a good canvas for makeup. Foundation glides on more evenly, sits more naturally, and tends to last a bit longer through the day.

For dry and normal skin types, this comfortably replaces both your morning moisturizer and your primer — two products in one step for twelve dollars. That's genuinely useful simplification. For combination skin, it works well on most of the face, though the shea butter content means the T-zone might get a bit shiny by afternoon. For oily skin, honestly, this might be too rich. The shea butter and macadamia oil, while lightweight for their categories, still provide more emollient coverage than oily skin typically needs in a morning product.

The formula is fragrance-free, silicone-free, paraben-free, and vegan — checking all the major avoidance boxes. It's gentle enough for sensitive skin, though the absence of specific soothing actives means it's not actively calming. It's a neutral, well-behaved moisturizer that doesn't irritate but also doesn't soothe — it just moisturizes and primes.

The honest assessment is that this product excels at its dual purpose but doesn't offer much beyond it. There are no standout active ingredients, no brightening agents, no anti-aging compounds worth noting. It hydrates and primes — that's the entire job description, and it does both competently. If you want your morning moisturizer to also treat specific skin concerns, you'll need to layer actives underneath this.

At twelve dollars for 50 mL, with an upgraded 100 mL option becoming available, the value is strong for a functional primer-moisturizer hybrid. You're saving both money and time by combining two routine steps, and the silicone-free formulation genuinely delivers on its promise rather than just being a marketing label.

Formula

The Science

Neopentyl glycol diheptanoate is an ester derived from plant sources that functions as an emollient and skin-conditioning agent with sensory properties similar to low-viscosity silicones. While it hasn't been studied as extensively as dimethicone in dermatological literature, cosmetic chemistry research indicates it provides comparable slip, smoothing, and non-greasy feel without the molecular structure of silicones. It's increasingly used in 'silicone-free' formulations as a functional alternative.

Shea butter (Butyrospermum parkii) is a well-studied emollient rich in stearic and oleic fatty acids. Research published in the American Journal of Life Sciences (2010) demonstrated shea butter's anti-inflammatory properties and its ability to improve skin barrier function through its triterpene acetate content. In a priming moisturizer, these occlusive and emollient properties help create a smooth surface by filling micro-irregularities in the skin texture.

Sodium hyaluronate's humectant properties are well-established — by drawing water into the stratum corneum, it temporarily plumps fine lines and creates a smoother skin surface. This contributes to the 'priming' effect by physically reducing the depth of surface texture irregularities that can cause makeup to settle unevenly.

The olive-derived emulsifier system (cetearyl olivate and sorbitan olivate) is noteworthy for its biomimetic properties. These emulsifiers form liquid crystal structures that resemble the lipid organization of the skin's own barrier, which may improve skin tolerance and moisturization compared to synthetic emulsifier systems.

Dermatologist Perspective

Dermatologists generally note that silicones like dimethicone are safe and non-comedogenic for most skin types, so avoiding them is typically a matter of personal preference rather than medical necessity. However, board-certified dermatologists acknowledge that some patients report clearer skin when eliminating silicone-heavy products, and they support the availability of effective silicone-free alternatives for those individuals. For patients seeking a combined moisturizer and primer, dermatologists recommend products like this that provide adequate hydration without relying on silicone's occlusive properties, particularly for those with a history of silicone-related breakouts.

Guidance

This was one of Good Molecules' original products at launch, designed to address a specific gap: people who wanted the priming benefits of silicone but avoided the ingredient due to concerns about pore clogging, buildup, or personal preference. It's been reformulated and upgraded since its initial release, most recently with added hyaluronic acid and improved hydration.

About Good Molecules Emerging Brand (2–5 years)

Good Molecules was launched in 2019 as the in-house skincare brand of Beautylish, the cosmetics e-commerce platform founded by Nils Johnson. The brand positions itself as affordable, ingredient-focused skincare with full concentration transparency.

Brand founded: 2019 · Product launched: 2019

Myth vs. Reality

Myth

Silicone-free moisturizers can't work as effective primers.

Reality

Plant-derived esters like neopentyl glycol diheptanoate can replicate many of silicone's sensory properties — slip, smoothing, and pore-blurring — without the molecule itself. While the finish is slightly different from silicone (less 'filling' on pores), it provides a functional priming canvas for most foundation types.

Myth

Silicones in skincare clog pores and cause breakouts.

Reality

Most cosmetic silicones like dimethicone are non-comedogenic and well-tolerated. However, some individuals do experience buildup or breakouts with silicone-heavy products, making silicone-free alternatives a valid choice for those who've noticed this pattern on their own skin.

FAQ

Common Praise

"Excellent silicone-free primer alternative"

"Makeup applies smoothly and lasts well on top"

"Lightweight and non-greasy despite shea butter content"

"Fragrance-free and gentle on sensitive skin"

"Good value as a 2-in-1 moisturizer and primer"

Common Complaints

"May not control oil as well as silicone-based primers"

"Can feel slightly heavy for very oily skin"

"Priming effect is subtler than traditional silicone primers"

"Some foundations may not layer as smoothly without silicone"

Notable Endorsements

Good Molecules bestseller

Appears In

best silicone free moisturizer best moisturizer for dryness best priming moisturizer

Related Conditions

dryness dehydration dullness

Related Ingredients

shea butter hyaluronic acid green tea vitamin e