Collagen + Retinoid Cream with Mushroom

Collagen + Retinoid Cream is a multi-active skincare formula that brings together four high-value ingredient categories in a single lightweight cream: a next-generation retinoid, structural collagen peptides, dual mushroom extracts, and a botanical antioxidant complex. The result is a genuinely comprehensive approach to skin renewal, hydration, and protection — in a sage-toned 15mL luxury format built for daily use.

At the heart of the formula is Hydroxypinacolone Retinoate (HPR), a retinoid ester that binds directly to retinoic acid receptors without requiring the conversion steps that traditional retinol does. This means more efficient activity at lower concentrations — and significantly less irritation, dryness, and peeling compared to standard retinol formulas. HPR makes this cream appropriate for daily use, even for those with sensitive skin who have struggled with conventional retinoids.

Reishi and Chaga mushroom extracts complete the formula with century-old botanical credentials backed by modern skin science. Reishi (“Mushroom of Immortality”) is rich in polysaccharides and triterpenes that hydrate, soothe, and nourish. Chaga (“King of Mushrooms”) carries one of the highest ORAC antioxidant scores of any natural ingredient, directly supporting skin defense against oxidative aging.

The retinoid market is crowded, and most products rely on traditional retinol — which has to be converted through multiple enzymatic steps (retinol → retinaldehyde → retinoic acid) before the skin can actually use it. Every conversion step loses potency and introduces the risk of irritation. This formula uses Hydroxypinacolone Retinoate (HPR) instead — a direct ester of retinoic acid that binds to the same nuclear receptors but skips the conversion chain entirely. The clinical literature on HPR consistently shows comparable anti-aging efficacy to retinol at much lower irritation profiles. That matters because it means people can actually use this product consistently, which is the real driver of results.

The collagen choice is equally considered. Hydrolyzed Collagen — rather than intact collagen — is used because low-molecular-weight peptides can penetrate the skin barrier and act as signaling molecules that stimulate the skin’s own collagen synthesis. Intact collagen molecules are too large to absorb topically; hydrolyzed peptides are not.

The dual mushroom extract system is what elevates this formula beyond a standard retinoid cream. Reishi’s beta-glucans are some of the most studied polysaccharides in skincare for their ability to support the skin microbiome, improve hydration, and reduce inflammation — all of which matter when you’re using an active retinoid. Chaga’s antioxidant load is extraordinary: its ORAC value dwarfs most botanical extracts, providing meaningful protection against the UV-induced and metabolic oxidative stress that drives skin aging.

Dimethyl Isosorbide (DMI) is included as a penetration enhancer — a carrier that improves the delivery of actives like HPR and collagen peptides into deeper skin layers. Green Tea Extract and Tocopherol round out the antioxidant system. Jojoba Oil mirrors the skin’s natural sebum structure, making it one of the best-tolerated emollient bases in skincare. The preservative system (Phenoxyethanol + Ethylhexylglycerin) is considered a best-practice, low-irritation choice in modern cosmetic formulation.

This is a thoughtfully layered, professionally formulated cream that earns every ingredient on the label.

The formula is organized across four active layers, each addressing a distinct dimension of skin aging and health. They work simultaneously and synergistically with each application.

• Retinoid Layer — Hydroxypinacolone Retinoate (HPR): HPR is a direct ester of retinoic acid, the biologically active form of Vitamin A. Unlike retinol, HPR doesn’t require enzymatic conversion before binding to retinoic acid receptors (RAR-α and RAR-γ) in skin cells. These receptors regulate the expression of genes responsible for cell turnover, collagen synthesis, and keratinocyte differentiation — the core mechanisms behind retinoid anti-aging effects. Because HPR is already in its active form, it delivers results at lower concentrations with a significantly reduced irritation profile. Suitable for nightly use or up to 3–4 times daily as directed.
• Collagen Peptide Layer — Hydrolyzed Collagen: Hydrolyzed Collagen consists of short peptide chains derived from collagen hydrolysis. These low-molecular-weight peptides penetrate the stratum corneum and act as messenger signals to fibroblasts — the cells responsible for producing new collagen and elastin in the dermis. By signaling increased collagen synthesis from within, hydrolyzed collagen peptides support structural integrity, skin firmness, and elasticity over time. They also act as humectants, drawing water into the skin for immediate surface hydration.
• Mushroom Extract Layer — Reishi & Chaga: Hydrolyzed Ganoderma Lucidum (Reishi) Extract delivers beta-glucans and triterpenes. Beta-glucans activate skin’s natural repair and hydration mechanisms while supporting the cutaneous microbiome. Triterpenes have demonstrated anti-inflammatory and skin-soothing activity in research — making Reishi an ideal companion to an active retinoid, helping buffer any sensitization response. Inonotus Obliquus (Chaga) Extract contributes melanin-like pigments, polyphenols, and polysaccharides with exceptional antioxidant activity. Chaga directly neutralizes reactive oxygen species (ROS) that drive photoaging, collagen degradation, and uneven tone.
• Delivery & Support Layer — Jojoba, Glycerin, DMI, Green Tea, Vitamin E: Jojoba Oil (Simmondsia Chinensis) is technically a liquid wax with a molecular structure that closely mirrors human sebum — making it non-comedogenic and exceptionally well-tolerated as an emollient carrier. Glycerin is a classic humectant that draws atmospheric moisture into the skin barrier. Dimethyl Isosorbide (DMI) functions as a penetration-enhancing carrier, improving the transdermal delivery of the retinoid and collagen peptides into deeper skin layers. Camellia Sinensis (Green Tea) Leaf Extract adds EGCG, a catechin polyphenol with anti-inflammatory and UV-protective antioxidant properties. Tocopherol (Vitamin E) provides lipid-phase antioxidant protection, stabilizes the formula, and supports barrier repair.

• Apply to clean, dry skin — removing makeup and cleansing before application improves absorption of the retinoid and collagen peptides
• If new to retinoids, begin with once-daily application (evening preferred) for the first 1–2 weeks before increasing frequency; HPR is gentler than retinol but all retinoids require an adjustment period
• Always apply SPF 30+ sunscreen in the morning when using a retinoid — retinoids increase photosensitivity and UV exposure will counteract the benefits
• The 15mL pump format is designed for precision application — a small amount covers the full face; 1–2 pumps is typically sufficient per use
• Can be layered under moisturizer if additional hydration is needed, or used as a standalone treatment if skin is not dry
• Store away from direct sunlight and heat — retinoids and mushroom extracts are sensitive to light and temperature degradation

• ⚠ Retinoid Sensitivity: Retinoids (including HPR) may cause initial redness, peeling, or dryness during the first weeks of use as skin adjusts. Start with less frequent application and increase gradually. Discontinue if severe irritation occurs.
• ⚠ Sun Sensitivity: Retinoids increase photosensitivity. Always apply broad-spectrum SPF 30+ sunscreen during the day when using this product. Avoid prolonged sun exposure without protection.
• ⚠ Pregnancy & Nursing: Retinoids are generally contraindicated during pregnancy. Consult your physician or dermatologist before using any retinoid-containing product if you are pregnant, planning to become pregnant, or nursing.
• ⚠ Sensitive Skin & Skin Conditions: Individuals with eczema, rosacea, psoriasis, or other active skin conditions should consult a dermatologist before introducing a retinoid formula. HPR is gentler than retinol but can still exacerbate certain conditions.
• ⚠ Eye Area: While the suggested use includes the eye area, apply with care — avoid direct contact with the eyes. Those with highly sensitive eye area skin should patch-test first.
• ⚠ Patch Test: For first-time users, apply a small amount to the inside of the wrist or behind the ear and wait 24 hours before full facial use to test for sensitivity.
• ⚠ Storage: Store in a cool, dry place away from direct sunlight and heat. Retinoids and botanical extracts degrade with UV and temperature exposure. Do not use if the safety seal is damaged or missing.

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Processing Time: Most orders ship within 1–2 business days (Monday–Friday). Weekend and holiday orders ship the next business day.

Delivery Time: Standard shipping takes 3–7 business days after processing. You’ll receive tracking by email once your order ships.

Questions? Reach us at info@mirthplus.com or call 619-512-3151.

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