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Frequently asked questions

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Product Science & Technology

1. What is the Longevity Protocol Serum + Moisturizer?

The Longevity Protocol is a dual-action longevity skincare treatment that combines a concentrated growth-factor serum with a barrier-supporting moisturizer in one step. It’s engineered to target both visible aging and prevent underlying biological aging markers such as inflammation, collagen decline, and impaired cellular repair.

2. What is DL-01 and how do they benefit the skin?

DL-01 is Darkfin Labs’ proprietary complex that uses a blend of bio-designed growth factors, including EGF(Epidermal Growth Factor), FGF2(Fibroblast Growth Factor), IGF-1(Insulin-like Growth Factor), and biomimetic peptides that support cellular communication, collagen synthesis, and regenerative repair. Together, they help restore firmness, smoothness, and overall skin vitality.

3. What is Darkfin Labs’ plant-based liposomal delivery system and how does it work?

We encapsulate our growth factors inside plant-derived phospholipid liposomes that mimic your skin’s natural membranes. This protects the delicate proteins from degrading on the skin’s surface and ensures they’re released slowly and steadily into the epidermis—where they can stay active and actually perform.

4. Why are growth factors unstable, and how does DL-01 keep them bioactive?

Growth factors are fragile proteins that break down quickly from air, oxidation, other ingredients in formulation, and temperature shifts. DL-01 protects them inside a stable lipid membrane (100% plant-derived), shielding them from exposure to elements and ensuring time-controlled release into epidermis and dermis.  

5. How is the Longevity Protocol different from retinol or peptide serums?

While retinol and other peptide products also claim anti-aging benefits (such as collagen production, increased cell turnover ect.) Longevity Protocol uses multiple factors in DL-01 to target synergistic pathways, attacking and preventing damage at multiple key angles. In a head-to-head clinical study with retinol serum, DL-01 performed 2x better at wrinkle reduction and significantly better at metrics such as pigment reduction and increasing skin elasticity. 

6. What results can I expect from consistent use of the Longevity Protocol?

Active ingredients in Longevity Protocol have been scientifically and clinically shown to increase firmness, reduce skin texture, even skin tone, improve elasticity, and a noticeable decrease in inflammation-related redness. Over time, it supports stronger collagen networks and healthier baseline skin function. 

7. What skin concerns does the Longevity Protocol target?

Longevity Protocol supports the reduction of texture roughness, uneven tone, early fine lines, firmness loss, collagen decline, dullness, dryness, and inflammation-related sensitivity. It's also a preventative skincare that targets underlying and invisible aging signs to delay visible skin aging.

8. Does Longevity Protocol support cellular longevity or mitochondrial function?

Yes. Longevity Protocol along with our antioxidant hydration system work together to support healthy cellular signaling, reduce inflammatory stress, and maintain a more youthful cellular environment.

9. Is Longevity Protocol non-comedogenic and safe for acne-prone skin?

Longevity Protocol is formulated to be lightweight, non-comedogenic, and acne-safe. Its calming actives help reduce inflammation, which is a major driver behind breakouts.

Application & Routine

1. How should I apply the Longevity Protocol in my skincare routine?

Apply 1–2 pumps on clean, dry skin after cleansing and before sunscreen. Use in both AM and PM daily. It can replace your serum and moisturizer steps entirely.

2. Can I use the Longevity Protocol with retinol, vitamin C, or exfoliating acids?

Yes. Longevity Protocol pairs well with other actives. If using strong retinoids, apply Longevity Protocol before as a barrier buffer to minimize irritation. If using acid, apply LP after to soothe and protect. 

3. Should the Longevity Protocol be used in the morning or evening?

Both, after cleansing face. Morning use helps restore glow and reduce inflammation; evening use supports overnight repair.

4. How much product should I use per application?

Use 2 pumps for the whole face, and an additional pump for neck and chest.

5. Can I use the Longevity Protocol before makeup or SPF?

Absolutely. Longevity Protocol creates a smooth, hydrated base that layers beautifully under makeup and sunscreen. 

6. How long does the Longevity Protocol bottle last with regular use?

One 40 mL bottle typically lasts 4–6 weeks with daily use.

7. Can the Longevity Protocol be used on the neck, chest, or under the eyes?

Yes. Longevity Protocol is gentle enough for all these areas.

Safety & Compatibility

1. Is the Longevity Protocol safe for sensitive skin?

Yes. Longevity Protocol is formulated to calm inflammation and support barrier repair, making it suitable even for reactive or compromised skin.

2. Is the Longevity Protocol pregnancy-safe or breastfeeding-safe?

Longevity Protocol does not contain retinoids or known pregnancy-restricted ingredients. However, we always recommend checking with your healthcare provider.

3. Will the Longevity Protocol interact with filler, Botox, or professional treatments?

Longevity Protocol is safe to use with injectables. Its growth factors may help maintain smoother texture between treatments and speed up skin healing process post-laser treatments. 

3. Can I continue using the Longevity Protocol after a cosmetic procedure?

Yes. Longevity Protocol is excellent for post-procedure recovery, but timing depends on the treatment. Follow your professional’s guidance before applying any active product to healing skin.

4. Is the Longevity Protocol vegan, cruelty-free, and free of parabens or silicones?

Yes. Longevity Protocol is vegan, cruelty-free, and formulated without parabens, silicones, mineral oils, or drying alcohols.

Storage, Packaging & Shelf Life

1. What is the shelf life of the Longevity Protocol?

2 years. 

2. How should I store the Longevity Protocol to maintain growth factor stability?

Closed cap and store away from direct heat or sunlight. No refrigeration required.

3. What size is the Longevity Protocol bottle and how much product does it contain?

Each bottle contains 40 mL / 1.35 fl oz.

4. Is the packaging recyclable or refillable?

The bottle is fully recyclable, and refillable options are in development for future launches.

Mechanisms of Action

1. How does the Longevity Protocol increase collagen and elastin production?

Our novel complex DL-01 has multiple growth factors to signal fibroblasts to restore collagen networks and improve the elasticity of the extracellular matrix.

2. Does the Longevity Protocol help reduce inflammation or support the skin barrier?

Yes. Our proprietary complex DL-01 includes barrier-strengthening growth factors and soothing antioxidants that calm redness and replenish the skin’s natural moisture shield.

3. How does the Longevity Protocol improve skin texture and firmness?

By supporting cellular turnover, hydration balance, and collagen architecture, Longevity Protocol helps resurface roughness and restore bounce.

4. Does the Longevity Protocol enhance cellular repair or regenerative capacity?

The growth factors in Longevity Protocol’s core complex DL-01 enhance communication between skin cells and encourage more efficient repair, especially after environmental stress.

5. How is the Longevity Protocol different from traditional peptide creams or moisturizers?

Most moisturizers work on hydration alone. Longevity Protocol delivers bioactive longevity factors that revive the skin’s internal repair system, AND provide a powerful hydration system that locks in your skin moisture. It is a multitasking step that replaces your serum and moisturizer.

Usage Expectations & Outcomes

1. When will I start seeing results from the Longevity Protocol? (tbd based on clinicals?)

In clinical studies, users of DL-01 and its ingredients notice smoother texture and reduced redness within 2 weeks. Firmer, more resilient skin continues to develop over 6 –12 weeks.

2. What happens if I stop using the Longevity Protocol?

Your skin will gradually return to its baseline state. Results are maintained with consistent use.

3. Does the Longevity Protocol work for all genders and all skin tones?

Yes. Longevity Protocol is designed to support universal biological pathways of aging and repair.

4. Is the Longevity Protocol suitable for aging, dry, or mature skin types?

Absolutely. Its growth factors and liposomal delivery system make it especially beneficial for age-related dryness and thinning.

5. Can the Longevity Protocol help prevent early signs of aging in younger skin?

Yes. Longevity Protocol is ideal for longevity-minded users looking to prevent future collagen loss and keep their skin functioning youthfully for a longer time.

Purchasing, Returns & Shipping

1. Where is the Longevity Protocol manufactured?

Longevity Protocol is formulated by Darkfin Labs’ in-house scientists in New York City and manufactured in California, United States in an FDA-registered cosmetic facility.

2. Do you ship internationally?

Currently we only ship to the US. We are working on global shipping and hopefully can reach more customers very soon. 

3. What is your return policy for opened or used products?

We do not accept returns, but we can offer a refund(we can’t safely sell opened skincare, and shipping it back to just discard means more environmental impact).

If you’ve encountered quality issues such as damaged bottles, manufacturing defects, or are otherwise unhappy with your purchase, please email us, and we are happy to offer a refund after reviewing your case.

4. Can I subscribe to recurring shipments of the Longevity Protocol?

Yes. Darkfin Labs offers subscription purchases at a lower price so you never run out of your routine.

5. How can I contact Darkfin Labs customer support?

You can reach us anytime at support@darkfinlabs.com.