Clinical Selection

Isntree Hyaluronic Acid Watery Sun Gel

Targets:

agingdullnessredness

A masterclass in clinical solar elegance, this advanced watery emulsion anchors next-generation organic UV filters within an aqueous polymeric network. Engineered to counter photo-induced degradation and climate-induced transepidermal water loss, it creates an invisible, breathab…

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EGP1,350.00

Composition

Ingredients

8-Molecular Weight Hyaluronic Acid Matrix, Astaxanthin, Centella Asiatica Extract, Ceramide NP, Chemical Broad-Spectrum Photostable Filter Complex

Clinical Focus

Targets Concerns

aging
dullness
redness

Routine & Selection Guide
Routine step

Protect

When to use

AM

Best suited to

Dry, Normal, Combination, Sensitive, Oily

Texture & finish

Dewy Glow

Fragrance

100% Fragrance-Free

Avoid in the same routine

The advanced organic photostable filter complex and multi-weight hyaluronic acid matrix exhibit outstanding pharmacological synergy with morning antioxidant regimens, particularly L-Ascorbic Acid and Niacinamide, enhancing defense against solar elastosis and photo-aging. However, blending or co-mixing the gel directly with anhydrous facial oils or heavy occlusive balms in the palm compromises the polymer lattice, leading to irregular film formation and reduced UV protection factor under peak Egyptian solar irradiance (UV index 10-12). Furthermore, following ablative clinical procedures (deep chemical peels, fractional CO2 laser), chemical organic filters are contraindicated on non-epithelialized tissue due to neurosensory stinging; patients must pivot to an inert 100% mineral block. To eliminate cosmetic pilling ('بيفرول تحت الميكب'), maintain a strict 3-to-5-minute absorption pause prior to makeup or primer application.

Pairs well with

Pure L-Ascorbic Acid / Vitamin C Derivatives (Antioxidant Photoprotective Amplification), Niacinamide / Vitamin B3 (Sebum Regulation & Melanosome Transfer Inhibition), Centella Asiatica & Madecassoside Complexes (Solar Thermal Erythema Suppression), Ceramide NP & Physiological Barrier Lipids (Inter-Corneocyte Cohesion), Alpha Arbutin & Tranexamic Acid (Targeted Anti-Pigmentation Shield)

Application note

Apply only to completely dry skin.

The Story Behind the Science

Why This Formula

A masterclass in clinical solar elegance, this advanced watery emulsion anchors next-generation organic UV filters within an aqueous polymeric network. Engineered to counter photo-induced degradation and climate-induced transepidermal water loss, it creates an invisible, breathable photoprotective mesh over the stratum corneum without disrupting cutaneous respiration or stimulating sebaceous hypersecretion.

Key Ingredients

Formulated with an eight-tier biomimetic Hyaluronic Acid matrix encompassing high, intermediate, and ultra-low molecular weights to hydrate cellular architecture from the outermost barrier to deeper epidermal tiers. Fortified with Astaxanthin, nature’s most potent antioxidant carotene, to quench ultraviolet-provoked reactive oxygen species, paired synergistically with Asiatic Centella to suppress solar erythema, and Ceramide NP to safeguard inter-corneocyte structural integrity.

Sensorial Profile & Finish

Distinguished by an ethereal, water-breaking lotion consistency that liquifies seamlessly upon epidermal contact. It absorbs effortlessly within seconds, leaving a luminous, non-greasy, glass-like finish with absolute clarity—guaranteeing zero chalky cast across all Fitzpatrick phototypes. Skin feels quickly refreshed, calmed, and deeply supple without tackiness or weight.

How to Use

Administer as the vital concluding ritual of your morning regimen. Dispense two generous finger-lengths across the fingertips and distribute evenly over the facial canvas, neck, décolletage, and ears using smooth upward strokes. Reapply rigorously every two hours under direct solar exposure, or following vigorous perspiration, swimming, or towel-drying.

Good to Know

Under high Egyptian ambient heat and humidity, layering this intensely hydrating gel over a rich daytime moisturizer on combination or oily skin can provoke a heavy, greasy sensation (‘طاسة زيت’). Instead, streamline your morning regimen by utilizing this gel as your combined hydrator and photoprotector. To preempt cosmetic pilling (‘بيفرول تحت الميكب’), observe an uncompromising 3 to 5-minute absorption window before the application of primers or foundations. Avoid vigorous friction along the immediate periorbital lash line to prevent osmotic eye irritation. In the evening, dissolve thoroughly with an emulsified cleansing oil to prevent microcomedone buildup (‘حبوب تحت الجلد’).

Ritual

1

Dosing & Thermal Preparation

Dispense a full two-finger measure onto clean, dry fingertips. Avoid dispensing directly onto overheated or perspiring skin to preserve the emulsion's lamellar network.

2

Zonal Gliding Application

Distribute across the forehead, cheeks, nasal bridge, submandibular jawline, and neck. Smooth gently outward along facial contours without aggressive friction.

3

Orbital Bone Perimeter Guard

Gently pat any residual product along the orbital bone ridge using the ring finger. Maintain a safe distance from the wet mucosal line to preclude transient tearing.

4

The Setting & Priming Window

Permit the watery matrix a full 3 to 5 minutes to form its resilient photoprotective film prior to makeup application or direct exposure to outdoor thermal stress.

5

Evening Double Cleansing Clarification

Dissolve the sun gel at nightfall with a lipid-based cleansing oil emulsified thoroughly with warm water, followed by a gentle water cleanser to avert closed microcomedones.

FAQ

Does this sun gel leave a white cast or look greasy on deeper Egyptian skin tones in high heat?
Never. The formulation utilizes state-of-the-art transparent organic filters suspended in an aqueous gel vehicle, melting clear on all Fitzpatrick skin tones without ashiness. In peak Egyptian summer temperatures (38–42°C), its breathable water-lotion texture leaves an elegant, skin-like radiant finish that resists melting into heavy surface oil.
Can I bypass my regular moisturizer and rely solely on this product during the day?
Absolutely. In Egypt's sub-tropical and humid climate, our clinical team strongly advises combination, oily, and even normal skin types to use this as their all-in-one moisturizer and sunscreen. With eight molecular weights of Hyaluronic Acid, Centella, and Ceramide NP, it provides comprehensive cellular hydration without creating the greasy excess ('طاسة زيت') often caused by redundant moisturizers.
How can I prevent this sun gel from pilling beneath my makeup?
Pilling ('بيفرول تحت الميكب') is almost always caused by premature layering. The eight hyaluronic acid fractions require 3 to 5 minutes to bind with epidermal keratinocytes and establish a stable photoprotective film. Once this short window lapses, foundations glide seamlessly without balling or patchiness.
Could this formula clog pores or trigger breakouts and closed comedones in acne-prone skin?
No, provided evening hygiene is respected. The vehicle is non-comedogenic and formulated without heavy plant butters or occlusive waxes. However, because chemical filters and environmental dust accumulate across Cairo days, it is imperative to perform an evening double cleanse—emulsifying a cleansing oil thoroughly with warm water before water-cleansing—to forestall closed microcomedones ('حبوب تحت الجلد').
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